TS EAMCET · Maths · Properties of Triangles
If are the diameters of three ex-circles of a , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
We know d1=2∆s-a, d2=2∆s-b, d3=2∆s-c ⇒d1d2+d2d3+d3d1=4∆23s-a+b+cs-as-bs-c =4∆2×s×sss-as-bs-c=4s2=(a+b+c)2
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