Question

In the parallelogram ABCD, ∠A – ∠B – ∠C + ∠D is equal to ______.

विकल्प

• 0°

• 90°

• 180°

• 360°

Answer 1

In the parallelogram ABCD, ∠A – ∠B – ∠C + ∠D is equal to 0°.

Explanation:

In a parallelogram, opposite angles are equal ∠A = ∠C and ∠B = ∠D. 

So, ∠A – ∠B – ∠C + ∠D

= ∠A – ∠B – ∠A + ∠B

= 0°