A. Choose the letter of the correct answer. (2 points each) 1. Which statement best differentiates squares from the rectangles? A. Squares must have four 90" angles; rectangles do not have all 90 angles. B. Squares have four equal sides. Rectangles have two pairs of equal opposite sides. C. Squares have two sets of equal sides, rectangles have only one pair of equal sides. D. Squares have the diagonals that bisect each other. Rectangles have diagonals that are perpendicular