Question

(Y-10) and (y+20)are the measures of complimentary angle. Find the measure of each angle

Answer 1

y -10+y+20=90°

2y+10°=90°

2y=90°-10°

2y=80°

y=(80/2)°=40°

y-10=40-10=30°

y+20°=40°+20°=60°