Question

2. Using opposite angles test for parallelogram, prove that every rectangle is a parallelogram.​

Answer 1

Answer:

Every angle is 90° and 90° + 90° = 180°.

Step-by-step explanation:

It is a type of riddle but you can find the answer.

Answer 2

Answer:

Let ABCD be a rectangle.

angle A = angle B = angle C = angle D = 90°

For any Quadrilateral to be Parallelogram , a pair of of opposite angles should be congruent.

In Rectangle ABCD ,

angle A = angle C = 90°

angle B = angle D = 90°

Thus , Rectangle is Parallelogram.

Hope it helps you!!!!