Question

Given m||n, find the value of x.
t
-10
m
1299

Answer 1

9514 1404 393

Answer:

x° = 51°

Explanation:

The angle marked 129° is corresponding to the angle adjacent to x° and immediately to its left. That angle, with x°, is a linear pair, meaning that x° and 129° are supplementary.

x° = 180° -129°

x° = 51°