2. In the accompanying diagram, ABC and RST are right triangles with right angles at B and S, respectively; AB. = RS and AC = RT.

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1 1. In the accompanying diagram, is the midpoint of, D, E, and D = E. Which method of proof may be used to prove D = E?. SS = SS. S = S. HL = HL D. S = S 2. In the accompanying diagram, and RST are right triangles with right angles at and S, respectively; = RS and = RT. Which statement can be used to justify that = RST?. SS = SS. S = S. HL = HL D. S = S

2 3. In the accompanying diagram, MN NP, QP PN, O is the midpoint of NP, and MN = QP. Which reason would be least likely to be used to prove MNO = QPO?. HL = HL. S = S. SS = SS D. S = S 4. Two triangles are congruent if. corresponding angles are congruent. corresponding sides and corresponding angles are congruent. the angles in each triangle have a sum of 180 D. corresponding sides are proportional

3 5. In the accompanying diagram of quadrilateral D, diagonal bisects D and D. Which statement can be used to prove that = D?. HL = HL. SSS = SSS. S = S D. SS = SS 6. In the accompanying diagram of quadrilateral QRST, RS = ST, SR QR, and ST QT. Which method of proof may be used to prove QRS = QTS?. HL. SS. S D. S

4 7. In the accompanying diagram, RL LP, LR RT, and M is the midpoint of TP. Which method could be used to prove TMR = PML?. SS = SS. S = S. HL = HL D. SSS = SSS 8. In the accompanying diagram, E, D,, and DE, = E, and is the midpoint of E. Which theorem justifies = ED?. SSS = SSS. SS = SS. S = S D. SS = SS

5 9. In the accompanying diagram of isosceles triangle, is the vertex angle, M, and M is the midpoint of. Which statement can not be used to justify M = M?. HL = HL. S = S. SSS = SSS D. = 10. In the accompanying diagram, point T is the midpoint of SD and YU; SY and UD are drawn. Which statement can be used to prove STY = DTU?. SSS = SSS. SS = SS. S = S D. HL = HL

6 11. In the accompanying diagram, E is the midpoint of and D. Triangle E can be proved congruent to triangle ED by. S = S. S = S. SS = SS D. SSS = SSS 12. Which statement is not valid for proving that two triangles are congruent?. SS = SS. SS = SS. S = S D. S = S

7 13. In the accompanying diagram, and D intersect at E, E is the midpoint of, and =. Which statement can be used to prove DE = E. S = S. HL = HL. SSS = SSS D. SS = SS 14. In the accompanying diagram,, ED DF, ED, E = F, = ED, and m = m FDE = 90. Which statement would not be used to prove = DEF?. SSS = SSS. SS = SS. S = S D. HL = HL

8 15. In the accompanying diagram, HK bisects IL and H = K. What is the most direct method of proof that could be used to prove HIJ = KLJ?. HL = HL. SS = SS. S = S D. S = S 16. In the accompanying diagram of triangles T and FLU, = F and = FL. Which statement is needed to prove T = FLU?. = L. T = LU. = U D. FL

9 17. In the diagram of and DEF below, = DE, = D, and = E. Which method can be used to prove = DEF?. SSS. SS. S D. HL 18. In the diagram of and ED below, E and D intersect at, and = ED. Which method can be used to show that must be similar to ED?. SS.. SSS D. HL

10 19. In the diagram below, = XYZ. Which statement must be true?. = Y. = X. = YZ D. = XZ 20. s shown in the diagram below, bisects D and = D. Which method could be used to prove = D?. SSS.. SS D. S

11 21. The diagram below shows a pair of congruent triangles, with D = D and D = D. Which statement must be true?. D = D. = D. = D D. D = D 22. In the diagram below of DE and E, and D intersect at E, such that E = E and E = DE. Triangle DE can be proved congruent to triangle E by. S. SS. SSS D. HL

12 23. In the diagram below, four pairs of triangles are shown. ongruent corresponding parts are labeled in each pair. Using only the information given in the diagrams, which pair of triangles can not be proven congruent?... D. D D

13 Problem-ttic format version c Educide Software Licensed for use by kristen farrelly Terms of Use at Proofs Flashcards 5/23/ nswer: 21. nswer: D 2. nswer: 22. nswer: 3. nswer: 23. nswer: 4. nswer: 5. nswer: 6. nswer: 7. nswer: 8. nswer: 9. nswer: D 10. nswer: 11. nswer: 12. nswer: 13. nswer: 14. nswer: 15. nswer: 16. nswer: 17. nswer: 18. nswer: 19. nswer: 20. nswer: D

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