Question

the two diagonals are perpendicular if the parellogram​

Answer 1

Answer:

A Parallelogram with Perpendicular Diagonals is a Rhombus

We've seen that one of the properties of a rhombus is that its diagonals are perpendicular to each other. Here we will show the converse- that if a parallelogram has perpendicular diagonals, it is a rhombus – all its sides are equal