Geometry

Question Analysis

This question involves the concept of an angle bisector.

Key Concept Explanation

An angle bisector is a ray that divides an angle into two equal - measure angles. So, the measure of each of the two new angles is half of the measure of the original angle.

Step - by - Step Solution

1. Recall the property of an angle bisector: Since  bisects , we know that .

2. Given that .

3. Calculate the measure of  and  using the formula

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