Question

Rose is a parallelogram

Answer 1

Step-by-step explanation:

ROSE ia a parallelogram

Therefore,

angleE +angleS =180°(interior angles)

(3x-10°) + (5x+30°)=180

3x-10°+5x+30°=180

8x+20°=180

8x=180-20

8x=160

x=160/8

x=20°