Question

in given figure ABCD and APQR are parallelogram. angle A = 70°. Find angle B,C,D,PQ and R​

Answer 1

Answer:

Solution

In a parallelogram, opposite angles are always equal.

⇒∠A=∠C and ∠B=∠D as ∠A=70

⇒∠C=70

Also ∠A+∠B+∠C+∠D=360

⇒∠B+∠D=360 −140

⇒2∠B=220

⇒∠B=110

⇒D=110

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