Question

two adjacent angles of a parallelogram are in the ratio 2:7. find the four angles of a parallelogram​

Answer 1

Step-by-step explanation:

Let ∠A=3x and ∠B=2x

∠A+∠B=180

(Adjacent angle : Supplementary)

3y+2x⇒5x=180⇒x=

5

180

x=36

∘

∠A=∠C=3x=3×36

=108

∘

∠B=∠D=2x=2×36=72

∘