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CBSE Class 10 Maths (Standard) 2017 · Paper 30/2/1 · Question 9

Circles 2 marks Medium
In the given figure, if , prove that .
A B C D F E
Triangle ABC with inscribed circle touching the sides at D (on AB), E (on BC) and F (on CA).

Answer

Since gives , and , , it follows that . Proved.

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