Question

question 10
three angles can be put together to make a supplementary angle. if they all have the same measure, what is the measure of one of the angles?
30 degrees
90 degrees
120 degrees
60 degrees
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Explanation:

Step1: Recall supplementary - angle definition

A supplementary angle measures 180 degrees.

Step2: Set up division equation

Let the measure of each angle be $x$. We have $3x = 180$.

Step3: Solve for $x$

$x=\frac{180}{3}=60$ degrees.

Answer:

60 degrees