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A rotating cone has a diameter of 16 cm and a side of 10 cm. Calculate the surface area and volume of the solid.

Correct answer:

S =  452.39 cm2
V =  402.1239 cm3

Step-by-step explanation:

d=16 cm s=10 cm  r=d/2=16/2=8 cm  s2 = h2+r2 h=s2r2=10282=6 cm  S1=π r2=3.1416 82201.0619 cm2 S2=π r s=3.1416 8 10251.3274 cm2  S=S1+S2=201.0619+251.3274=452.39 cm2
V=31 S1 h=31 201.0619 6=402.1239 cm3



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