mariam405 mariam405 05-06-2020 Mathematics contestada 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.