85 Essential Questions at C to D. Grade C. Clip 102

Transcription

1 T) a) t + t b) t t c) 6y + w y d) 6y t e) e e f) m m g) 8 Essential Questions at C to D y y ( to are non-calculator) Clip 0 a) t b) 8t c) y + w d) 8yt or 8ty e) e f) m g) y h) y h) 6y y S) a) t + 8t b) t 9t c) y + w y d) y t e) e e f) x x g) r r h) 6r r T) a) Expand (y ) b) Expand x(x + ) c) Expand and simplify (x + ) (x ) d) Expand and simplify (y ) + (y ) e) (x + )(x ) Clip 0 S) a) Expand (y ) b) Expand x(x + ) c) Expand and simplify (x + ) (x ) d) Expand and simplify (y ) + (y ) e) (x )(x ) a) y b) 6x + x c) 6x + 6 d) y e) x x Page MathsWatch Ltd info@mathswatch.com Page

2 T) Find the nth term of the following patterns a),,, 9,..... b) 8,, 8,, 8,..... c) 9, 6,, 0,,..... Clip a) n + b) n + c) n + S) Find the nth term of the following patterns a), 6, 0,, b), 6,,,,..... c),,,,,..... T) Number of smarties Frequency 9 0 a) From the table above, find the mean number of smarties in a tube. b) Find the median number of smarties in a tube. Clip a) 0. b) 0 S) Number of smarties Frequency 9 0 a) From the table above, find the mean number of smarties in a tube. b) Find the median number of smarties in a tube. Page MathsWatch Ltd info@mathswatch.com Page

3 T) Factorise the following: a) x + 6 b) x + 8 c) x + d) x + 6 e) x + x f) x 6x g) 9h + 6h h) 8x 0x Clip 0 a) (x + ) b) (x + ) c) (x + 6) d) (x + ) e) x(x + ) f) x(x ) g) h(h + ) h) x(x ) S) Factorise the following: a) t + 0 b) m c) y + 8 d) x + 6 e) t + t f) t + 0t g) t t h) 9h 0h 6T) a) If a piece of wood is measured as 8cm to the nearest cm, what is the greatest possible length and the least possible length? b) If a piece of wood is measured as 9.8cm to the nearest tenth of a cm, what is the greatest possible length and the least possible length? Clip 6S) a) If a piece of wood is measured as cm to the nearest cm, what is the greatest possible length and the least possible length? a) Greatest is 8.cm Least is.cm b) Greatest is 9.8cm Least is 9.cm b) If a piece of wood is measured as 6.cm to the nearest tenth of a cm, what is the greatest possible length and the least possible length? Page MathsWatch Ltd info@mathswatch.com Page

4 T) a) If a = and t = find the value of (i) a (ii) a (iii) a (iv) a t (v) (a + t) (vi) a t Clip 66 b) Colin said when x =, then the value of x is Sue said when x =, then the value of x is 6 Who was right? Explain why. a) (i) 9 (ii) 9 (iii) (iv) 6 (v) (vi) b) Sue because x is x S) a) If a = and t = find the value of (i) a (ii) a (iii) a (iv) a t (v) (a + t) (vi) a t b) Colin said when x =, then the value of x is 00 Sue said when x =, then the value of x is 00 Who was right? Explain why 8T) Using the information that 6 = 68 Write down the value of: a).6. = b) 6 0 = c) = Clip 9 8S) Using the information that 8 6 = 6 Write down the value of: a) 8.6 = b) = c).6.8 = a).68 b) 680 c) Page 6 MathsWatch Ltd info@mathswatch.com Page 6

5 9T) Write the following numbers as the product of their prime factors a) 8 b) 60 Clips 9 & 96 c) Find the Highest Common Factor of 8 and 60 d) Find the Lowest Common Multiple of 8 and 60 9S) Write the following numbers as the product of their prime factors a) 90 b) 0 c) Find the Highest Common Factor of 90 and 0 d) Find the Lowest Common Multiple of 90 and 0 0T) a) Draw an angle of 0 degrees and then use ruler and compasses to bisect it. b) Draw a line of length 9cm and then bisect it using compasses. c) Use compasses to draw a triangle ABC with AB equal to 9cm, AC cm and BC cm a) b) c) d) 0 Clip Clip 9 Clip 80 0S) a) Draw an angle of 60 degrees and then use ruler and compasses to bisect it. b) Draw a line of length cm and then bisect it using compasses. c) Use compasses to draw an isosceles triangle with the base equal to 8cm and the other two sides of length cm T) What is +? S) Work out the answer to 8 Clip 9 T) What is. 0.? S) What is. 0.? Clip 60 Clip 08 T) < x < x is an integer. Write down all the possible values. S) < x < x is an integer. Write down all the possible values. 0.,,, 0,,, Page MathsWatch Ltd info@mathswatch.com Page

6 T) Here are the front elevation, side elevation and the plan of a -D shape. Draw a sketch of the -D shape. Front elevation Side elevation Clip 8 Plan S) Here are the front elevation, side elevation and the plan of a -D shape. Draw a sketch of the -D shape. Front elevation Side elevation Plan T) a) Work out b) Work out 0 8 of 600 of 800 Clip a) 80 b) 00 c) Work out c) 0 S) a) Work out 0 of 00 b) Work out c) Work out 9 8 of Page 8 MathsWatch Ltd info@mathswatch.com Page 8

7 6T) If you share out 0 between Alice and Bill in the ratio :, how much more does Alice get compared with Bill? Clip 9 6S) If you share out 60 between Alice and Bill in the ratio :, how much does each of them get? T) Sara and Fred share tips from their job in the ratio :. If Fred receives how much does Sara get? Clip 9 S) Sara and Fred share tips from their job in the ratio :. If Sara receives 8 how much does Fred get? 60 8T) Some plant heights are measured as shown in the table, below. Height in cm Frequency 0 < h < 0 0 < h < 0 0 < h < < h < 80 a) Find an estimate for the mean height of a plant. b) In which interval does the median height lie? a) 0 b) 0 < h 0 8S) Some plant heights are measured as shown in the table, below. Height in cm Frequency 0 < h < 0 0 < h < 0 0 < h < < h < 80 a) Find an estimate for the mean height of a plant. b) In which interval does the median height lie? Clip Page 9 MathsWatch Ltd info@mathswatch.com Page 9

8 9T) a) Reflect the shaded shape in the y axis and label it T b) Rotate T 90º anticlockwise using (0, 0) as the centre of rotation and label the new shape U c) Decribe fully the single transformation that will move U back on to the shaded shape. T U c) Reflection in y = x Clips,, 9S) a) Reflect the shaded shape in the x axis and label it T b) Rotate T 90º clockwise using (0, 0) as the centre of rotation and label the new shape U c) Decribe fully the single transformation that will move U back on to the shaded shape. Page 0 MathsWatch Ltd info@mathswatch.com Page 0

9 0T) a) Enlarge triangle A scale factor using (, ) as centre of enlargement b) Enlarge triangle A scale factor ½ using (, 0) as centre of enlargement Clip 6 0S) a) Enlarge triangle A scale factor using (, ) as centre of enlargement b) Enlarge triangle A scale factor ½ using (-, ) as centre of enlargement Page MathsWatch Ltd info@mathswatch.com Page

10 T) Find the exterior angle of this regular octagon Clip 0 degrees S) Find the exterior angle of this regular hexagon T) a) In the triangle below, find an expression, in terms of x, for the perimeter of the triangle. Simplify your expression. a) x + 8 b) x = 9 cm b) If the perimeter of the triangle is cm, find the value of x. Clip 06 x 8 x S) a) In the rectangle below, find an expression, in terms of x, for the perimeter of the rectangle. Simplify your expression. x + x b) If the perimeter of the rectangle is 6 cm, find the value of x. Page MathsWatch Ltd info@mathswatch.com Page

11 T) Find the size of angle n, giving reasons A B S) Find the size of angles x and y, giving reasons A C Clips 68, 69 ABC = 60 (angles on st. line = 80) n = 8 (angles in add up to 80) B C T) Find the size of angle x, giving reasons Clip 6 BRS = 0 (angles on straight line add up to 80 ) x = 0 (alternate angles) S) Find the size of angles x and y, giving reasons Page MathsWatch Ltd info@mathswatch.com Page

12 T) Solve the following equations a) x = b) x 8 = c) x + = d) x + = e) (x ) = 6 f) x = g) x + = x S) Solve the following equations a) x = b) x 9 = c) x + = d) x + 6 = e) (x + ) = 6 f) x 6 = g) x + = x Clip 0 a). b) c) d) 6 e) f) g). 6T) Draw a stem and leaf diagram to show the following information. The heights of plants in cm are:.6,.,.,.,.8, 6.,.,.,., 6.,.,.9 Clip 89 6S) Draw a stem and leaf diagram to show the following information. The weights of 0 people in kg are: 9,, 8, 6,, 6, 0, 6, 68, Key means. T) a) Change m to cm b) Change cm to mm c) Change 9 m to cm S) a) Change cm to mm b) Change m to cm c) Change cm to mm Clip a) 0000 cm b) 00 mm c) cm Page MathsWatch Ltd info@mathswatch.com Page

13 8T) a) Anne buys 6 litres of diesel at. per litre. How much does she spend altogether on diesel? b) James spends 6. on litres of petrol. How much was each litre of petrol? Clip 60 & Clip 00 8S) a) Sara buys litres of diesel at. per litre. How much does she spend altogether on diesel? a) 60. b). b) Sid spends. on litres of petrol. How much was each litre of petrol? 9T) a) b) c) d) Clips 6 and a) b) c) d) 0 9S) a) + b) c) d) 0 0T) Draw a pie chart to show the following information Crisp flavour Frequency Cheese 8 Plain 9 Beef 6 Prawn Clip 86 P B Cheese Plain Beef Prawn C Plain S) Draw a pie chart to show the following information Crisp flavour Frequency Cheese 8 Plain 6 Beef Prawn Page MathsWatch Ltd info@mathswatch.com Page

14 T) Find the areas of the following shapes a) m b) a) m m cm b) 0cm cm c) 60cm c) 8cm cm cm cm Clip S) Find the areas of the following shapes a) 9m b) 6m cm cm c) cm cm cm cm Page 6 MathsWatch Ltd info@mathswatch.com Page 6

15 T) Find the surface area of this cuboid. 9cm cm 8cm cm Clip 0 S) Find the surface area of this cuboid. cm 0cm cm T) Make the letter in the bracket the subject of the formula. a) v = u + at (a) b) x a t = bc (x) S) Make the letter in the bracket the subject of the formula. a) v = u + as (a) b) x a + y = c (x) Clip 0 a) a = v - u t b) x = a(bc + t) T) Find the following: a) 0% of 00 b) % of 80 c) % of 600 d).% of 8 Clip a) 0 b) c) 0 d) 8.0 S) Find the following: a) 0% of 60 b) % of 900 c) 8% of 800 d).% of 0 Page MathsWatch Ltd info@mathswatch.com Page

16 T) Sally s mother lives 80km from Sally. This is the journey to her mother s house Distanc e in km from home Time a) Sally has a rest at 8.0. What speed had she been travelling at until 8.0? b) How long did she rest for? c) What speed did she travel at for the last part of the journey to her mother s house? d) For the return journey, Sally travelled at 60km/h without a break. Complete the travel graph to show this. Clip S) Sally s mother lives 90km from Sally. This is the journey to her mother s house. a) 00km/h b) 0 mins c) 0km/h Distanc e in km from home Time a) What speed did Sally travel at until her first rest? b) What speed did she travel at for the last part of the journey to her mother s house? c) For the return journey, Sally travelled at 80km/h without a break. Complete the travel graph to show this. Page 8 MathsWatch Ltd info@mathswatch.com Page 8

17 6T) a) Complete the table for the equation y = x x x 0 Clip 6 0 y 0 9 b) Draw the graph of y = x x on the axes at the bottom of the page c) Use your graph to find the value of y when x =. d) Use your graph to find the value of y when x =. e) Use your graph to solve x x = f) Use your graph to solve x x = 8 c).6 d) 9 e) x = and x =. f) x =. and x =.9 y O x - - Page 9 MathsWatch Ltd info@mathswatch.com Page 9

18 6S) a) Complete the table for the equation y = x x x 0 y b) Draw the graph of y = x x on the axes at the bottom of the page c) Use your graph to find the value of y when x =. d) Use your graph to find the value of y when x =. e) Use your graph to solve x x = 0 Clip 6 y O x - - Page 0 MathsWatch Ltd info@mathswatch.com Page 0

19 T) Draw a set of axes going from to + a) Draw the graph of y = x b) What is the gradient? S) Draw a set of axes going from to + a) Draw the graph of y = x + b) What is the gradient? Clip b) O y = x - 8T) The table below shows the probability of an oddly shaped -sided dice landing on,,, or. a) Work out the value of x b) If the dice is rolled 000 times how many s would you expect to get? x Clip 8S) The table below shows the probability of an oddly shaped -sided dice landing on,,, or. a) Work out the value of x b) If the dice is rolled 000 times how many s would you expect to get? x a) 0. b) 0 9T) Draw a plane of symmetry on this shape Clip 8 other answers are possible 9S) Draw a plane of symmetry on this shape Page MathsWatch Ltd info@mathswatch.com Page

20 0T) Height Frequency 0 to 0 0 to 0 0 to 0 0 to 0 a) On the first set of axes, draw a frequency diagram b) On the second set of axes, draw a frequency polygon Clip 88 0S) Height Frequency 0 to 0 0 to 0 0 to 0 0 to 0 ANSWERS for 0T a) On the first set of axes, draw a frequency diagram b) On the second set of axes, draw a frequency polygon 6 Frequenc y Height 6 6 Freq ue nc y Height Frequenc y Height 6 Frequenc y Height 6 6 Freq ue nc y Height Frequenc y Height Page MathsWatch Ltd info@mathswatch.com Page

21 T) a) In a room there are boys and girls. What percentage of the people are boys? b) In a room there are boys and girls. What percentage of the people are girls? c) Sally scores marks out of 0 in a Science test. What was her percentage score? Clip S) a) In a room there are boys and 9 girls. What percentage of the people are boys? a) 0% b) % c) 60% b) In a room there are boys and girls. What percentage of the people are girls? c) Emma scores marks out of 60 in a Science test. What was her percentage score? T) A point, P, moves so that the locus of P is always cm from the line AB. Draw the locus of P. Clip 0 A B S) A point, P, moves so that the locus of P is always equidistant from lines AB and AC. Draw the locus of P. A B Page MathsWatch Ltd info@mathswatch.com C Page

22 T) a) Sketch a scatter diagram with positive correlation hair length, hair colour, intelligence, circumference of wrist, height, ice cream sales, weight, outside temperature sale of extra-warm jackets, eye colour b) From the list above select two sets of data which would have (i) a positive correlation (ii) no correlation Clip 8 S) a) Sketch a scatter diagram with negative correlation a) b) (i) height and weight or Ice cream sales and temp. (ii) hair length and hair colour or hair colour and intelligence etc hair length, hair colour, intelligence, circumference of wrist, height, ice cream sales, weight, outside temperature sale of extra-warm jackets, eye colour b) From the list above select two sets of data which would have (i) a negative correlation (ii) no correlation T) a) What are the first four multiples of? b) Write down all the factors of 0. c) What are the first six prime numbers? a) 8 b) c) S) a) What are the first four multiples of? b) Write down all the factors of 0. c) Which two prime numbers come next, after? Clip T) Solve the inequality x + < S) Solve the inequality x > Clip 09 6T) Evaluate 6S) Evaluate Clip x < Page MathsWatch Ltd info@mathswatch.com Page

23 T) Find the volume of this triangular prism. 6cm cm cm S) Find the volume of this triangular prism. Clip Volume = 8cm cm 8cm 8T) a) Write as a power of b) Write as a power of 8 0cm Clip a) 8 b) 6 8S) a) Write as a power of b) Write as a power of 9 9T) Complete the two-way table which shows the favourite soup of 00 people. Oxtail Tomato Chicken Total Male Female 8 Total 6 00 Clip 8 Oxtail Tomato Chicken Total Male Female Total S) 0 students studied History and Geography as shown in the two-way table. History Geography Both Total Female Male 8 Total males studied both subjects. of the students were male. Complete the two-way table. Page MathsWatch Ltd info@mathswatch.com Page

24 0T) Measure this angle. 8 0S) Measure this angle. Clip 9 T) The price of a pair of shoes is. How much are they after a price increase of 0%? Clip 9 S) A new car costs If the price is reduced by % what is the new price? 8.0 T). 0. S) Clip 00 0 T) What are the first terms of the number sequence with the nth term of n +? Clip 6 S) What are the first terms of the number sequence with the nth term of n? 8 Page 6 MathsWatch Ltd info@mathswatch.com Page 6

25 T) Translate triangle A by vector - - Clip S) Describe fully the transformation which maps triangle A onto triangle B. B.. T) Change the recurring decimal 0. into a fraction in its simplest form. S) Change the recurring decimal 0.6 into a fraction in its simplest form... Clip 98 Page MathsWatch Ltd info@mathswatch.com Page

26 6T) What is the equation of the line? y y = x O - x - - 6S) What is the equation of the line? y Clip O T) List all of the outcomes if you roll a dice and flip a coin. S) List all of the outcomes if you flip three coins. Clip 90 H H H H H 6H T T T T T 6T Page 8 MathsWatch Ltd info@mathswatch.com Page 8

27 8T) Use a protractor to work out the bearing of A from B. Clip Bearing of A from B is 9 A A N B B 8S) Use a protractor to work out the bearing of B from A. N B A 9T) In the list of fractions, below, which two are equivalent to? S) In the list of fractions, below, which two are equivalent to? Clip 60T) A map has a scale of : If town A is cm away from town B on the map, what is the actual distance between them in kilometres? 60S) A map has a scale of : If town A is cm away from town B on the map, what is the actual distance between them in kilometres? Clip km 6 0 Page 9 MathsWatch Ltd info@mathswatch.com Page 9

28 6T) a) - - b) - c) - d) -8 6 e) 9 - f) g) S) a) 6 - b) -0 - c) - d) 8 e) - f) + - g) T) Use the graph to solve the simultaneous equations y = x and y = x 8 y Clip 99 y = x y = x a) b) - c) - d) - e) f) g) -9 x = and y = S) Use the graph to solve the simultaneous equations y = 8 x and y = ½x y Clip y = 8 x x y = ½x x Page 0 MathsWatch Ltd info@mathswatch.com Page 0

29 6T) Estimate the answer to S) Estimate the answer to Clip 0 6T) A triangular prism has sides as shown. Find the surface area of the prism. cm cm cm cm 6S) A triangular prism has sides as shown. Find the surface area of the prism. Clip 0 cm 8 m 0 m 6 m m 6T) If the probability of passing a driving test is 0. what is the probability of failing the test? 0.8 Clip 9 6S) The probability of a school football team winning a football match is 0. and the probability of losing is 0.. What is the probability of the team drawing the match? Page MathsWatch Ltd info@mathswatch.com Page

30 66T) Draw the net of this right-angled triangular prism. squares squares Clip 8 squares squares 66S) Draw the net of this cuboid squares squares squares Page MathsWatch Ltd info@mathswatch.com Page

31 6T) Write the following fractions in their simplest forms. a) b) Clip 8 c) 60 6S) Write the following fractions in their simplest forms. a) b) c) T) Here are the ingredients needed to make salmon fishcakes for four people. 0g potatoes 900g of salmon g butter g dill 0g flour eggs 0g breadcrumbs Clip 6 a) What weight of salmon would be needed to use the recipe for six people? b) For seven people, what weight of flour is needed? a) b) c) a) 0g b) 8.g 68S) Here are the ingredients needed to make shepherd's pie for five people. 00g potatoes 0g of cheese 0g butter onion carrots 00ml stock kg of lamb a) What weight of cheese would be needed to use the recipe for eight people? b) For six people, how much stock is needed? c) For nine people, what weight of lamb should be used? Page MathsWatch Ltd info@mathswatch.com Page

32 69T) Put these fractions in order of size, smallest to largest. 8 69S) Put these fractions in order of size, smallest to largest Clip 9 0T) a) What is the square of 6? b) Find the cube of. c) What is the square root of 9? d) What is the cube root of? e) Evaluate 0S) a) What is the square of 8? b) Find the cube of. c) What is the square root of 00? d) What is the cube root of? e) Evaluate 69 Clip 6 a) 6 b) 6 c) d) e) T) Sara wishes to find out how much pocket money people in her class received. Design a suitable question she could use on a questionnaire. You should include some tickboxes. How much pocket money do you receive each week? Less than Between.0 and More than S) Fred wants to know which sports are watched by pupils in his class. Design a suitable data collection sheet he can use to find out. Clip 8 Clip T) Change the following fractions to decimals. a) b) 8 a) 0.8 b) 0. S) Change the following fractions to decimals. a) 6 b) 0 8 Clip 8 Page MathsWatch Ltd info@mathswatch.com Page

33 Questions to 8 are all calculator questions T) Find the length of sides A, B and C giving your answers to one decimal place. cm A.9cm cm A cm B B C 8.cm.6cm cm Clip 8 C.9cm 6.8cm S) Find the length of sides A, B and C giving your answers to one decimal place. 8cm A cm 6cm 9cm B 9.cm 8.cm C T) The equation x + x = 0 has a solution between and. Use a trial and improvement method to find this solution. Give your answer to decimal place and show all workings. x = + = Too low x = + = Too big x =.. +. = 8.6 Too low x =.. +. = 0.6 Too big x =.. +. = Too low x =. to decimal place. S) The equation x x = 88 has a solution between and. Use a trial and improvement method to find this solution. Give your answer to decimal place and show all workings. Clip 0 Page MathsWatch Ltd info@mathswatch.com Page

34 T) a) % of 8.6 = b) 6% of 900 = c) Reduce.0 by.% S) a) 9% of.60 = b) % of 00 = c) Reduce 60 by 0% 6T) If =. Euros, a) Change 8 to Euros. b) Change 60 Euros to pounds ( ). 6S) If =. Euros, a) Change 000 to Euros. b) Change 9 Euros to pounds ( ). Clip Clip 6 a) 9.8 b) 68 c) 9.8 a) 6. Euros b) 8.6 a) 0 Euros b) 6. T) a) Find the area of the following circles. Give both answers to decimal place. (i) (ii) a) (i).9cm cm cm (ii).cm b) Find the area of this quarter circle. b) 8.cm Clip S) a) Find the area of the following circles. Give both answers to decimal place. (i) (ii) 0cm cm.6cm b) Find the area of this semicircle. 9cm Page 6 MathsWatch Ltd info@mathswatch.com Page 6

35 8T) Which is the best value for money 00g of sausages for. or 60g of the same type of sausages for.0? You must show all your working. 0.p per gram 0.p per gram 00g for. best value 8S) Which is the best value for money 800ml of orange juice for 0.8 or 0ml of orange juice for 0.6? You must show all your working. Clip 0 9T) a) Find the circumference of the following circles. Give both answers to decimal place. (i) (ii) a) (i).0cm (ii).cm cm cm b) Find the perimeter of this quarter circle to decimal place. Clip 0cm 9S) a) Find the circumference of the following circles. Give both answers to decimal place. b).cm (i) (ii) cm.6cm b) Find the perimeter of this semicircle to decimal place. 9cm Page MathsWatch Ltd info@mathswatch.com Page

36 80T) a) Change the following to percentages. Give your answers to decimal place. (i) out of 6 (ii) out of 86 b) If Sue scores 8 marks out of a possible 0 marks, what was her score as a percentage? a) (i).% (ii).% b) 68.% 80S) a) Change the following to percentages. Give your answers to decimal place. (i) out of 8 (ii).6 out of 9 b) If Sue scores marks out of a possible marks, what was her score as a percentage? Clip 8T) Find the volume of this cylinder. Give your answer to decimal place. 9cm cm Clip Volume = 60.cm 8S) Find the volume of this cylinder. Give your answer to decimal place. 0cm cm 8T) Evaluate (..) Clip = S) Evaluate Page 8 MathsWatch Ltd info@mathswatch.com Page 8

37 8T) Find the length of the line. y 6 Clip 9 cm 6 O 6 x O 6 8S) Find the length of the line to decimal place. y 6 O 6 x 8T) a) A cyclist travels miles in hours. What is the cyclist's speed in mph? b) Sue walks for minutes at mph. How far does she travel? c) A piece of lead has a mass of 0g and a volume of 0cm. Work out its density in g/cm. Clip 6 a) 6mph b) 0. miles c). g/cm 8S) a) A cyclist travels at.mph for hours. What distance does he cover? b) Sue drives at an average speed of mph and covers a distance of 6. miles. How long does the journey take in hours and minutes? c) A piece of lead has a density of g/cm and a mass of kg. Work out its volume in cm. Page 9 MathsWatch Ltd info@mathswatch.com Page 9

38 8T) The two triangles are similar. cm y x.8cm 8cm.cm a) Work out the size of x. b) Work out the size of y. a) x = cm b) y = cm 8S) BE is parallel to CD Find the length of BC. A Clip 0cm B cm E x C.6cm D Page 0 MathsWatch Ltd info@mathswatch.com Page 0