Question

Prove that parallelogram is equal to rectangle

Answer 1

Explanation:

Yes if diagonals of a parallelogramare equal then it is a rectangle. Let PQRS be a parallelogram. To showthat PQRS is a rectangle, we have to prove that one of its interior angles is 90º. Since PQRS is aparallelogram and one of its interior angles is 90º, PQRS is a rectangle.