Hindi, asked by vpstdb84, 3 months ago

यदि किसी त्रिभुज में दो कोण बराबर है तो उसके सामने की भुजाएं बराबर होती है सिद्ध कीजिए​

Answers

Answered by armsteas000
0

Answer:

Given :

A △ABC in which ∠B=∠C.

To prove :

AB=AC

Construction :

Draw the bisector of ∠A and let it meet BC at D.

Proof  :

In △s ABD and ACD,

∠B=∠C

∠BAD=∠CAD

AD=AD

So, by AAS criterion of congruence,

△ABD≅△ACD

⟹AB=AC

Explanation:

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