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Question

Question: In a triangle r r<sub>1</sub>r<sub>2</sub>r<sub>3</sub> =...

In a triangle r r1r2r3 =

A

R2

B

D2

C

s2

D

a2

Answer

D2

Explanation

Solution

r r1r2r3 = Δ(sa)\frac { \Delta } { ( s - a ) }

= Δ4Δ2\frac { \Delta ^ { 4 } } { \Delta ^ { 2 } }= D2