SEARCH HOME
Math CentralQuandaries & Queries

search

Question from vijay, a student:

If a square paper of side 25 cm is rolled to form a cylinder, then its curved surface area is

Vijay,

When you roll up the square to form a cylinder you haven't changed the surface area so the surface area of the cylinder is the same as the surface area of the square.

Penny

About Math Central
* Registered trade mark of Imperial Oil Limited. Used under license.
 

 


Math Central is supported by the University of Regina and the Imperial Oil Foundation.
Quandaries & Queries page Home page University of Regina Imperial Oil Foundation