Name two radii in Circle E.

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1 A C E B D Name two radii in Circle E. Unit 4: Prerequisite Terms

2 A C E B D ECandED Unit 4: Prerequisite Terms

3 A C E B D Name all chords in Circle E. Unit 4: Prerequisite Terms

4 A C E B D AD, CD, AB Unit 4: Prerequisite Terms

5 A C E B D Name a diameter in Circle E. Unit 4: Prerequisite Terms

6 A C E B D CD Unit 4: Prerequisite Terms

7 C A B F E D G H Name the term that describes the segment or point: AG Unit 4: Prerequisite Terms

8 Chord Unit 4: Prerequisite Terms

9 C A B F E D G H Name the term that describes the segment or point: EB Unit 4: Prerequisite Terms

10 Radius Unit 4: Prerequisite Terms

11 C A B F E D G H Name the term that describes the segment or point: DB Unit 4: Prerequisite Terms

12 Diameter Or Chord Unit 4: Prerequisite Terms

13 C A B F E D G H Name the term that describes the segment or point: FH Unit 4: Prerequisite Terms

14 Chord Unit 4: Prerequisite Terms

15 C A B F E D G H Name the term that describes the segment or point: ED Unit 4: Prerequisite Terms

16 Radius Unit 4: Prerequisite Terms

17 C A B F E D G H Name the term that describes the segment or point: E Unit 4: Prerequisite Terms

18 Center Unit 4: Prerequisite Terms

19 P O R T Point R is the point of. Unit 4, 24.1

20 Tangency Unit 4, 24.1

21 A line is tangent to a circle if it intersects the circle at exactly point. Unit 4, 24.1

22 One Unit 4, 24.1

23 Fill in the blank to describe the relationship between a tangent line to a circle and the radius of the circle drawn to the point of tangency. The tangent line and the radius are. Unit 4, 24.1

24 Fill in the blank to describe the relationship between a tangent line to a circle and the radius of the circle drawn to the point of tangency. The tangent line and the radius are PERPENDICULAR. Unit 4, 24.1

25 SA is a radius of circle S, AWis tangent to circle S at point A, AW = 32, and SW = 40. What is the length of SA? Unit 4, 24.1

26 SA is a radius of circle S, AWis tangent to circle S at point A, AW = 32, and SW = 40. What is the length of SA? x = 40 2 x = 1600 x 2 = 576 x = 24 W A x S Unit 4, 24.1

27 Circle O with tangents HB and HD is shown. BO = 12, and EH = 8. What is the length of one of the tangent segments, to the nearest tenth? Unit 4, 24.1

28 Circle O with tangents HB and HD is shown. BO = 12, and EH = 8. What is the length of one of the tangent segments, to the nearest tenth? x = 20 2 x = 400 x 2 = 256 x = x 20 Unit 4, 24.1

29 B A 56 C x In C, find x if AB is tangent. Unit 4, 24.1 extra practice

30 B A 56 x C x x x x 2 13 x Unit 4, 24.1 extra practice

31 S P Q 5 3 R RS is tangent to Q at point R. Find PR. Unit 4, 24.1 extra practice

32 P Q 5 S 3 R 3 2 x 9 x x 2 16 x 2 16 x 4 Radius is 4. Therefore, PR= 8. Unit 4, 24.1 extra practice

33 B C T 12 U V A What is TV? Unit 4, 24.2

34 B T C 12 U 12 V This side is also 12. Add them together to get TV A 12+12= 24 If a diameter is perpendicular to a chord, then it bisects the chord. Unit 4, 24.2

35 A circle has a radius of 29 centimeters. The midpoint of a chord of the circle is 20 centimeters from the center. How long is the chord? Unit 4, 24.2

36 A circle has a radius of 29 centimeters. The midpoint of a chord of the circle is 20 centimeters from the center. How long is the chord? x = 29 2 x = 841 x 2 = 441 x = 21 Chord = = 42 cm 21 21x Unit 4, 24.2

37 Find the length of a chord that is 10 cm from the center of a circle whose radius is 26cm. Unit 4, 24.2

38 Find the length of a chord that is 10 cm from the center of a circle whose radius is 26cm. x = 26 2 x = 676 x 2 = 576 x = 24 Chord = = 48 cm 24 24x Unit 4, 24.2

39 Find the length of a chord if it is 5 feet from the center of the circle, and the radius is 13 feet. Unit 4, 24.2

40 Find the length of a chord if it is 5 feet from the center of the circle, and the radius is 13 feet. 13 ft 5 ft x ft 12 ft represents HALF of the chord. 12 ft x 2 = 24ft. The answer is 24 ft. Unit 4, 24.2

41 3 x 10 5 Set up an equation to find x. Unit 4, 24.2

42 3 x x 15 part part = part part Unit 4, 24.2

43 9 x 8 12 Set up an equation to find x. Unit 4, 24.2

44 9 x x 9 12 part part = part part Unit 4, 24.2

45 The intersecting chords RJ and AL have the segment lengths shown. What is the length of LA? Unit 4, 24.2

46 The intersecting chords RJ and AL have the segment lengths shown. What is the length of LA? 4 x 6 = 2 x + 1 4x 24 = 2x + 2 2x 24 = 2 2x = 26 x = 13 Unit 4, 24.2

47 Chords RS and PQ intersect at point T. What is the value of x? Unit 4, 24.2

48 Chords RS and PQ intersect at point T. What is the value of x? x x + 2 = x 4 x + 12 x 2 + 2x = x 2 4x + 12x 48 x 2 + 2x = x 2 + 8x 48 2x = 8x 48 6x = 48 x = 8 Unit 4, 24.2

49 The radius of the Circle C is 9 inches, FD = 3in, and GH JK. What is the length of CL? Unit 4, 24.2

50 The radius of the Circle C is 9 inches, FD = 3in, and GH JK. What is the length of CL? Since GH JK, then FD = PL and CL = CD CL = 9 3 = Unit 4, 24.2

51 B 2x + 6 A C 20 and AB AC are both tangent to the circle. Find the value of x. Unit 4, 24.3

52 B 2x + 6 A C 20 2x x 14 x 7 Unit 4, 24.3

53 In this figure, ED= 50 feet, PD = 88 feet, and OD = 84 feet. Which is the length of PO? Unit 4, 24.3

54 In this figure, ED= 50 feet, PD = 88 feet, and OD = 84 feet. Which is the length of PO? PO = = = = 72 Unit 4, 24.3

55 K 3 T L.A W 6 M 10 R TW, TR, and RW are all tangent to A. Find the perimeter of TWR Unit 4, 24.3

56 K 3 T 3 L If two segments from the same exterior point are tangent to a circle then they are congruent. W 6.A 10 6 M 10 R Add up all segments that make up the triangle = 38 is the perimeter. Unit 4, 24.3

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