Question

Prove that the parallelogram circumscribing a circle is a rhombus if angle A and angle B is 90° and A•B is 2:1 find the ration sin A : sin B

Answer 1

Let A and B be 2x and 1x
2x+1x=90(given)
3x=90
X=90/3
X=30


:.2x=2*30=60
:.x=30