Math, asked by kishorchandrasatpath, 4 months ago

In A ABC, if a = 13, b = 14, c = 15, then the area
of the incircle is​

Answers

Answered by Anonymous
2

Step-by-step explanation:

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If a=13,b=14,c=15 then area of incircle is

ANSWER

r=

s

Δ

tan(A/2)=

s(s−a)

Δ

Δ=

(

2

13+14+15

)(

2

(13+14−15)

)(

2

(13+15−14)

)(

2

(14+15−13)

)

=

16

42×12×14×16

=84

s=21

r=

21

84

r=4

Area A=πr

2

=π×16

=50.265

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