Question

Part 1 of 4

For the figure shown on the right, find the value of the variable and the measures of the angles.
(2x+40)
(x-12)
P

Answer 1

Answer: x = 38

116

38

28

Explanation:

2x + 40 + x + x - 12 = 180

Simplify.

4x + 28 = 180

Subtract 28 on both sides.

4x = 152

Divide by 4 on both sides.

x = 38