A triangle ABC has a circle inscribed within it with sides a, b, c. The area of  the triangle is A. What is the radius of the inscribed circle?

A triangle ABC has a circle inscribed within it with sides a, b, c. The area of  the triangle is A. What is the radius of the inscribed circle?
एक त्रिभुज ABC के भीतरa, b, c भुजाओं वाला एक वृत्त बना हुआ हैं। त्रिभुज का क्षेत्रफल A है, इस  वृत्त की त्रिज्या क्या है?

 

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