Question

why all rectangle are parallelogram but all parallelogram are not rectangle. explain it

Answer 1

Answer:

Step-by-step explanation:

A parallelogram is quadrilateral with parallel sides

But all sides are not parallel,

In a rectangle opposite sides are parallel and equal an d adjacent sides form

90 degrees angle,

Whereas in a parallelogram adjacent sides do not form 90 degree angle..

Therefore a rectangle is parallelogram but a parallelogram is not a rectangle.