Chapter 8: Similar Triangles

Example 12. In th e given fig ABC and PQR are
isosceles triangles in which .

Solution:-

Given:- In and PQR, and PQ = PR

To find:

Proof:- is isosceles with AB = AC

is isosceles with PQ = PR

From (1) and (2) we get

Or,

from (3) and (4)

We know