
Concept explainers
To find: the value of x

Answer to Problem 28WE
The value of x is
Explanation of Solution
Given Information: A
Formula used:
In any triangle ABC, if
This can be expressed for the above triangle as,
Now, when the triangle is right angled at A, the relation between the sides of the triangle is expressed using Pythagoras theorem as,
Calculation: Consider the triangle given below. It can be seen that the triangle is having
Now, the angle bisector theorem can be used here as,
Using cross-multiplication,
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