Answer:
B.
Step-by-step explanation:
Perpendicular lines always intercept at a right angle (90 degrees).
X:2+(105-275:11):4=28
X:2+(105-25):4=28
X:2+80:4=28
X:2+20=28
X:2=28-20
X:2=8
X=8×2
X=16
X=24 ........................
Move all terms not containing U to the right side of the equation.
Exact Form:
U = 1/2
Decimal Form:
U = 0.5