Geometry

Question Analysis

This question involves the concept of linear pair in geometry.

 

Key Concept Explanation

When two angles form a linear pair (lie on a straight line), they are supplementary. That means the sum of their measures is .

 

Step - by - Step Solution

1. Let the measure of  be .

We know that the given angle of  and  are supplementary.

So, we can set up the equation .

To find , we subtract  from both sides of the equation:

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