Posted by Iain on Tuesday, January 1, 2013 at 10:12am.
The circumference of the base of a cylindrical oil drum is 204cm. Calculate the diameter of the drum.

Maths  Knights, Tuesday, January 1, 2013 at 10:30am
circumference = diameter * pi
thus 204 cm = diameter (x) * 3.14159265358... or about 3.14.
use division: 204/ 3.14 = ?