AP EAMCET · Maths · Properties of Triangles
In \(\triangle A B C, \frac{16 \mathrm{R} s \Delta \sin \frac{A}{2} \sin \frac{B}{2} \cos \frac{C}{2}}{s-c}\) is equal to
- A \(\frac{r_1 r_2}{r_3}\)
- B \(r_1 \cdot r_2 \cdot r_3\)
- C \(r_1+r_2+r_3\)
- D \(4 r_1 r_2 r_3\)
Answer & Solution
Correct Answer
(D) \(4 r_1 r_2 r_3\)
Step-by-step Solution
Detailed explanation
In \(\triangle A B C, A+B+C=\pi\) ...(i) When \(A, B, C\) are the angles of \(\triangle A B C\). Let \(R\) be the circumradius and \(s\) be semiperimeter and \(\triangle\) be the area of \(\triangle A B C\)…
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