Which is the best definition for a rectangle? A. a quadrilateral that has at least 2 right angles B. a quadrilateral with only 1 pair of parallel sides C. a parallelogram with 4 equal sides D. a parallelogram with 4 right angles and opposite sides are equal
Option D: A parallelogram with 4 right angles and opposite sides are equal best defines a rectangle because a rectangle must possess four right angles and opposite sides must be equal.
