Circumference 3370

Calculate the surface and volume of the rotating cone, whose base circumference is 125.6 cm and the side is 25 cm long.

Correct answer:

S =  2825.3633 cm2
V =  6282.4694 cm3

Step-by-step explanation:

o=125.6 s=25 r=o/(2π)=125.6/(2 3.1416)19.9899 h=s2r2=25219.9899215.0135 S1=π r2=3.1416 19.989921255.3633 S=S1+π r s=1255.3633+3.1416 19.9899 25=2825.3633 cm2
V=S1 h/3=1255.3633 15.0135/3=6282.4694 cm3

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