15. Which of the following statements are true?
A. The angle measure in Figure A is greater than the angle measure in Figure B.

B. The angle measure in Figure B is greater than the angle measure in Figure A.

C. The angle measure in Figure C is greater than the angle measure in Figure A.

D. Both B and C

16.Which of the following is the supplement of an angle measuring 60°?
A. 150°
B. 120°
C. 80°
D. 60°

17.Angle a and angle b have a sum of 90°.They are called______angles.
A. complementary
B. supplementary
C. right
D. obtuse​