Question

A and B are two adjacent angles of a parallelogram if ∠A : ∠B = 1 : 2. Then, ∠A =

Answer 1

Answer:

Solution :-

In parallelogram, sum of adjacent angles =180

Given they are in ratio 1:2.

∴x+2x=180

⇒3x=180

⇒x=60

∴ the angles are 60

∘

,120

∘

,60

∘

,120

∘