Axial section

Axial section of the cone is an equilateral triangle with area 168 cm2. Calculate the volume of the cone.

Correct result:

V =  136.5 cm3

Solution:

S=πa2(a2+a)=34πa2=168 cm2 a=4S3π=8.44 cm h=a2a22=7.31 cm  V=13πr2h=136.5 cm3



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