Question

Is a rectangle a parallelogram always, sometimes or never?

Answer 1

A rectangle is always a parallelogram .

WHAT IS PARALLELOGRAM?

A quadrilateral in which opposite sides are equal and parrallel is called parallelogram.

PROPERTIES OF PARALLELOGRAM :-

1. Diagonals bisect each other.

2.Opposite angles are equal.

3.Adjacent angles are supplementary.

4.Opposite sides are equal.

5.Opposite sides are parrallel.

KINDS OF PARALLELOGRAM :-

1. RHOMBUS

It is parallelogram in which adjacent sides are equal.

* Diagonals bisect each other at 90 degree.

* All sides are equal and parallel.

2.RECTANGLE

It is parallelogram in which each angle is 90 degree.

*Diagonals are equal.

*All angles are 90 degree.

3.Square

It is a parallelogram having properties of both rectangle and rhombus.

* Diagonals bisect each other at 90 degree.

* All sides are equal and parallel.

*Diagonals are equal.

*All angles are 90 degree.