Given: 

Prove: 

To prove:
Given:
The given figure is,
Figure
From figure
Definition:
When the triangle has two of its side length same, then the triangle is called isosceles triangle.
Approach:
The congruent triangles have their corresponding sides and angles congruent.
Consider the triangles,
From the given data,
The point
And, the line
Then, the angle
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