Question

what is the value of x?
129°
a 129
b 51
c 30
d 64.5

Explanation:

Step1: Identify vertical angles

Vertical angles are equal.

Step2: Determine \(x\)

Since \(x\) and \(129^{\circ}\) are vertical angles, \(x = 129^{\circ}\).

Answer:

A. \(129^{\circ}\)