Question

please explain :(
10. In the figure above the measure of angle AME is x degrees, then the measure of angle EMB is 180-x degrees.

A. Given
B. unfounded
C.Definition of an octagon
D. Definition of supplementary angles
E. 1267200 inches
F. Definition of radius

20. The given points (2, -3), (-7, -7), (2, -7), and (-7, -2) make a square.

A. Definition of coordinates
B. Pythagorean Theorem
C.Definition of a square
D. Definition of supplementary angles
E. Distance Formula
F. unfounded