Question

Analyze the diagram below and complete the instructions that follow.

Solve for y.

A. 10
B. 12
C. 15
D. 18

Answer 1

Here, 3x = 90 [ perpendicular ]
x = 90/3
x = 30

Now,2x + 3y = 90 [ Complimentary angle ]
Substitute the value of x,
2(30) + 3y= 90
3y = 90 - 60
y = 30/3
y = 10

In short, Your Answer would be Option A

Hope this helps!