1.

Each edge of an equilateral triangle is 'a' cm. A cone is formed by joining any two sides of the triangle. What is the volume of the cone ?

Answer»

`a^2/(24pi^3)SQRT(4-pi^2)`
`a^2/(24pi^3)sqrt(4pi^2-1)`
`a^3/(84pi^2)sqrt(1-4pi^2)`
`a/(SQRT3 pi^2) (1-2/pi)`

ANSWER :B


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