Cut and cone

Calculate the volume of the rotation cone whose lateral surface is a circular arc with radius 15 cm and central angle 63 degrees.

Correct answer:

V =  106.57 cm3

Step-by-step explanation:

s=15 cm r=36063 s=36063 15=36063 15=360945=821=2.625 cm h2 = s2  r2 h=s2r2=1522.625214.7685 cm V=31 π r2 h=31 3.1416 2.6252 14.7685=106.57 cm3

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