Calculate 81560

The cone's surface is 75.36 cm, and the radius is 3 cm. Calculate the volume of the cone.

Correct answer:

V =  37.6513 cm3

Step-by-step explanation:

S=75.36 cm2 r=3 cm  S1=π r2=3.1416 3228.2743 cm2  S = S1+S2  S2=SS1=75.3628.274347.0857 cm2 S2 = π r s  s=π rS2=3.1416 347.08574.9959 cm  s2 = h2+r2  h=s2r2=4.99592323.9949 cm  V=3S1 h=328.2743 3.9949=37.6513 cm3



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