PDF chapter test TRY NOW
Answer variants:
\(4 \pi r^3\)
\(3 \pi r^2\)
\(2 \pi r^2\)
\(4 \pi r^2\)
A right circular cylinder just enclose a sphere of radius \(r\) units.
Calculate:
(i) the surface area of the sphere sq. units
(ii) the curved surface area of the cylinder sq. units
(iii) the ratio of the areas obtained in (i) and (ii)
Register for free to see more content