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In a DeltaABC if (r )/(r(1))=(r(2))/(r(3...

In a `DeltaABC` if `(r )/(r_(1))=(r_(2))/(r_(3))`, then which of the following is/are true ?
(where symbols used have usual meanings)

A

`a^(2)+b^(2)+c^(2)=8R^(2)`

B

`sin^(2)A+sin^(2)B+sin^(2)C=2`

C

`a^(2)+b^(2)=c^(2)`

D

`Delta=s(s+c)`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
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