If height and radius of a sphere and cylinder is same Find the ratio of their curved surface area - Maths - Surface Areas and Volumes

Question

If height and radius of a sphere and cylinder is same Find the
ratio of their curved surface area

Abhishek Jha · Accepted Answer

Dear Student,
Here is the solution of your asked query:
Let the radius and height of sphere and cylinder be r
so, CSA of sphere=4πr2CSA of cylinder = 2πrh=2πr×r=2πr2 {since r=h}so, ratio of CSA=CSA of sphereCSA of cylinder=4πr22πr2=2:1
Regards

If height and radius of a sphere and cylinder is same. Find the ratio of their curved surface area