Question

Chrissy says that all rectangles must have 2​ pairs of equal angles.

Which statement best proves that Chrissy is correct?

A All rhombuses have 2​ pairs of equal angles.

B All quadrilaterals have 2​ pairs of equal angles.

C All parallelograms have 2​ pairs of equal angles.

D All trapezoids have 2​ pairs of equal angles.

Answer 1

C

Explanation:

2 pairs of parallel sides. Opposite sides and opposite angles are congruent.