Calculate 4689

The area of the rotating cone shell is 240 cm2 and the area of its base 160 cm2. Calculate the volume of this cone.

Correct answer:

V =  425.5384 cm3

Step-by-step explanation:

S1=240 S2=160 S1=πrs S2=πr2 r=S2/π=160/3.14167.1365 s=S1/(π r)=240/(3.1416 7.1365)10.7047 h=s2r2=10.704727.136527.9788 V=S2 h/3=160 7.9788/3=425.5384 cm3

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