TS EAMCET · Maths · Properties of Triangles
If denotes the area of triangle , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given, Δ denotes the area of triangle ABC, Then bsinC+csinBbcosC+ccosB =b×c2R+c×b2RbcosC+ccosB {using sine rule} =2bc2R×b×a2+b2-c22ab+ca2+c2-b22ac =bcR×a2+b2-c22a+a2+c2-b22a =bcR×a2+b2-c2+a2+c2-b22a =bcR×2a22a =abcR =4△ {as…
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