Question

2. The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X? (1 point)
A.20°
B.35°
C.50°
D.65°

Answer 1

Angle Y=y
Angle X=2y-30

y+2y-30=90
3y-30=90
3y=120
y=40

x=2y-30
x=2(40)-30
x=50