Sphere - parts

Calculate the area of a spherical cap, which is part of an area with base radius ρ = 9 cm and a height v = 3.1 cm.

Correct answer:

S =  697.88 cm2

Step-by-step explanation:

r2=ρ2+(rv)2 r2=ρ2+r22rv+v2 2rv=ρ2+v2 r=92+3.1223.1=14.61 cm S=πrρ+2πrv=πr(ρ+2v)=697.88 cm2



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