Circles 2

Calculate the area bounded by the circumscribed and inscribed circle in a triangle with sides 16 cm, 20 cm, and 15 cm.

Correct answer:

S =  255.8 cm2

Step-by-step explanation:

s=216+20+15=25.5 cm S1=25.5(25.516)(25.520)(25.515)=118.28 cm2 ρ=sS1=4.64 cm r=4S1abc=4118.28162015=10.15 cm  S=π(r2ρ2)=255.8 cm2



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