759

Part of 2011 Today's Calculation Of Integral

Problems(1)

Today's calculation of Integral 759

Source: created by kunny

Given a regular tetrahedron

PQRS

with side length

d

. Find the volume of the solid generated by a rotation around the line passing through

P

and the midpoint

M

QR

calculusintegrationgeometry3D geometrytetrahedrongeometric transformationrotation