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Csa of frustum

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Csa of frustum

Posted by Kshitiz Narayan 7 years ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 7 years ago

In geometry, a frustum is the portion of a solid (normally a cone or pyramid) that lies between one or two parallel planes cutting it.
If we cut a right circular cone by a plane parallel to its base, the portion of the solid between this plane and the base is known as the frustum of a cone.
Curved Surface Area (CSA) = pi * l(R + r)
where
r = radius of smaller circle
R = radius of bigger circle
l = slant height of the frustum

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