Axial section

The axial section of the cone is an equilateral triangle with an area 122 m2. Calculate the volume of the cone.

Correct answer:

V =  84.5 m3

Step-by-step explanation:

S=π2a(2a+a)=43πa2=122 m2 a=3π4S=7.2 m h=a22a2=6.23 m  V=31πr2h=84.5 m3



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