Calculate 82700

A cone of rotation with a radius of 32 cm and side length s = 65 cm is given. Calculate the surface area and volume.

Correct answer:

S =  9751.5 cm2
V =  60669.64 cm3

Step-by-step explanation:

r=32 cm s=65 cm  s2 = r2+v2 v=s2r2=652322=3201 cm56.5774 cm  S1=π r2=3.1416 3223216.9909 cm2 S2=π r s=3.1416 32 656534.5127 cm2 S=S1+S2=3216.9909+6534.5127=9751.5 cm2
V=31 S1 v=31 3216.9909 56.5774=60669.64 cm3



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