Question
Should an 8.5 by 10-inch sheet of paper be rolled lengthwise or widthwise to create the cylinder of greater volume?
Answers
oobleck
v = π r^2 h
So, compare
π * (8.5/2)^2 * 10 to π * (10/2)^2 * 8.5
So, compare
π * (8.5/2)^2 * 10 to π * (10/2)^2 * 8.5