Chapter 11.1, Problem 39STP

To determine

To Find: The measure of ‘x’.

Answer to Problem 39STP

  $x=30$

Explanation of Solution

Given information:

The two angles are congruent in the given figure

Concept and Formula Used:

If two angles are congruent then they are equal.

Calculation:

The given figure is

The two angles are congruent therefore they are equal.

  $\begin{array}{l}4x=120\\ x=\frac{120}{4}\\ x=30\end{array}$

Conclusion:

  $x=30$