Geometry

Question Analysis

This question combines the geometric concept of an angle bisector with algebraic equation - solving.

 

Key Concept Explanation

An angle bisector is a ray that divides an angle into two equal - measure angles. So, if  bisects , then .

 

Step - by - Step Solution

1. Set up the equation based on the angle - bisector property:

Given that  and , we can write the equation

Click "Show Answer" to reveal the answer and analysis