AP EAMCET · Maths · Properties of Triangles
In a \(\triangle A B C, D, E\) and \(F\) respectively are the points of contact of the incircle with the sides \(A B, B C\) and \(C A\) such that \(A D=\alpha, B E=\beta\) and \(C F=\gamma\), then \(\frac{\alpha \beta \gamma}{\alpha+\beta+\gamma}=\)
- A \(R^2\)
- B \(2 R\)
- C \(2 r\)
- D \(r^2\)
Answer & Solution
Correct Answer
(D) \(r^2\)
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