Question

if the diagonal of a parallelogram are equal the show that it is a rectangle​

Answer 1

Answer:

the diagonals of a parallelogram are equal, then show that it is a rectangle. ... Since ABCD is a parallelogram and one of its interior angles is 900, ABCD is a rectangle. Question 3: Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.

Answer 2

Answer:

prove any one of the angle of the parallelogram as 90^0