TS EAMCET · Maths · Properties of Triangles
In \(\triangle A B C, \frac{1+\cos C}{r_1+r_2}+\frac{1+\cos A}{r_2+r_3}+\frac{1+\cos B}{r_1+r_3}=\)
- A \(\frac{2}{3 R}\)
- B \(\frac{R}{2}\)
- C \(\frac{3}{2 R}\)
- D \(\frac{6 R}{5}\)
Answer & Solution
Correct Answer
(C) \(\frac{3}{2 R}\)
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