Cut and cone

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

Correct result:

V =  106.57 cm3

Solution:

s=15 cm r=63360 s=63360 15=218=2.625 cm h2=s2r2 h=s2r2=1522.625214.7685 cm V=13 π r2 h=13 3.1416 2.6252 14.7685=106.57 cm3



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