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( a cos A + b cos B + c cos C )/( a +b ...

` ( a cos A + b cos B + c cos C )/( a +b +c ) = `

A

`(r)/(2R)`

B

`(r)/(R)`

C

`(2r)/(R)`

D

`(R)/(r)`

Text Solution

Verified by Experts

The correct Answer is:
B
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