Question

Please help me
Solve for x.
a) 30
b) 27
c) 33

Answer 1

x = 27

Explanation:

The angle at any point on a straight line is 180 degrees.

The middle line over there is creating a right angle which is 90 degrees.

This must mean that both sides are 90 degrees.

3x+9 = 90

3x = 81

x = 27