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In a DeltaABC, a=6, b=10, area of Delta=...

In a `DeltaABC`, `a=6, b=10,` area of `Delta=15sqrt3` sq units, if `/_ACB` is obtuse and `r` denotes the radius of inscribed circle then value of `r^2=`

A

4

B

5

C

6

D

3

Text Solution

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The correct Answer is:
D
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