Question

Given l ||
m
|| n, find the value of x.
m
(4x+16)
n
140°

Answer 1

x=31

Explanation:

If the lines are parallel then the angle that is the same corner has the same degrees. If all the lines are parallel then 140=4x+16

140-16=4x

124=4x

124÷4=x

31=x