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In Delta ABC, the correct formule amon...

In ` Delta ABC, ` the correct formule among the following are
Statement -I : ` r= 4 R sin ""(A)/(2) sin "" ( B) /(2) sin "" ( C) /(2) `
Statement -II : ` r_1= (s-a) tan "" ( A)/( 2) `
Statement-III ` : r_3 =(Delta ) /( s-c) `

A

only I, II

B

only II, III

C

only I, III

D

I, II, III

Text Solution

Verified by Experts

The correct Answer is:
C
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