Find the expression for the volume of material required to make a hollow spherical…

MATHEMATICS · Single correct · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

Find the expression for the volume of material required to make a hollow spherical shell of outer radius

R

cm and inner radius

r

(R>r)

. (a)

4\pi\,(R^{2}-r^{2})

(b)

\dfrac{4}{3}\pi\,(R^{3}+r^{3})

(c)

\dfrac{4}{3}\pi\,(R^{3}-r^{3})

(d)

\dfrac{4}{3}\pi\,(R-r)^{3}