Question

If r1 and r2 be radii of the two bases of frustum of a cone of height h and l be it slant height,then its volume is

Answer 1

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Answer 2

Dear Student,

● Explanation -

Volume of frustum of cone = πh/3 (r1² + r2² + r1.r2)

◆ Explaination -

Consider -

r1 = radius of lower base of frustum

r2 = radius of upper base of frustum

h = vertical height of frustum

l = slant height of frustum

Volume of such frustum of cone is given by -

Volume of frustum of cone = πh/3 (r1² + r2² + r1.r2)

Thanks dear. Hope this helps you...