FOR QUESTIONS 12-14 USE THESE DIAGRAMS:

http://i108.photobucket.com/albums/n...peed_12-14.jpg

http://i108.photobucket.com/albums/n...ed_12-14_b.jpg

12. The best reason for statements 3, 5, and 7 in this proof is

A. Theorem 3.1. Alternate interior angles are congruent.

B. Theorem 3.2. Corresponding angles are congruent.

C. Theorem 3.3. Alternate exterior angles are congruent.

D. Theorem 3.4. Interior angles on the same side of the transversal are supplements.

13. The best statement for reason 6 of this proof is

A. Angle B & Angle D are supplements

B. Angle A is congruent to Angle A

C. Angle B is congruent to angle D

D. Angle A is congruent to Angle C

14. The best statement for reason 8 of this proof is

A. Angle A and Angle C are supplements

B. Angle B is congruent to Angle B

C. Angle B is congruent to Angle D

D. Angle A is congruent to Angle C

FOR QUESTIONS 15- 17 USE THESE DIAGRAMS :

http://i108.photobucket.com/albums/n...peed_15-18.jpg

http://i108.photobucket.com/albums/n...ed_15-18_b.jpg

15. The best reason for statement 3 of this proof is

A. Theorem 6.1. Opposite sides of a parallelogram are congruent .

B. Theorem 6.2. Opposite angles of a parallelogram are congruent .

C. Theorem 6.3. The diagonals of a parallelogram bisect each other .

D. definition of a parallelogram

16. The best reason for statement 4 of this proof is

A. reflexive property

B. symmetric property

C. transitive property

D. substitution property

17. The best statement for reason 5 of this proof is:

A. Angle WZT is congruent to Angle XYT

B. Angle WXT is congruent to Angle ZYT

C. Angle WZY is congruent to Angle XYZ

D. Angle WZX is congruent to Angle XYW

19-24: TRUE/FALSE

19. It is possible for diagonals of a quadrilateral to bisect each other without being a parallelogram.

A. true

B. false

20. It is possible for a quadrilateral to have perpendicular diagonals without being a rhombus.

A. true

B. false

21. It is possible for a quadrilateral to have one pair of opposite angles congruent without being a parallelogram.

A. true

B. false

22. A rhombus with congruent diagonals is a square.

A. true

B. false

23. A median of a trapezoid is perpendicular to the bases.

A. true

B. false

24. If the diagonals of a trapezoid are congruent, then the trapezoid is isosceles.

A. true

B. false

FOR QUESTIONS 25- 27 USE THIS DIAGRAM:

http://i108.photobucket.com/albums/n...peed_25-27.jpg

25. If and RA= 30 and TP=44, calculate MN.

A.15

B.22

C. 37

D. 74

26. If MN=13, TP=18,calculate RA .

A. 6.5

B. 8

C. 9

D. 15.5

27. If RM is Congruent to AN, and angle ARM=105 degrees, calculate the measure of angle RAN

A. 37.5°

B. 52.5°

C. 75°

D. 105°