150. In the given parallelogram YOUR, ∠RUO = 120° and OY is extended to point S such that ∠SRY = 50°. Find ∠YSR. ∠RUO = 120° and OY is extended to point S such that ∠SRY = 50°. Find ∠YSR. 150. In the given parallelogram YOUR July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals [...]