The picture below shows a container that Tim uses to freeze water.

A cylinder is shown with base diameter of 4 centimeters and the height as 8 centimeters.

What is the minimum number of identical containers that Tim would need to make 2000 cm3 of ice? (Use π=3.14.)

Question

The picture below shows a container that Tim uses to freeze water.
 
A cylinder is shown with base diameter of 4 centimeters and the height as 8 centimeters.              
 
What is the minimum number of identical containers that Tim would need to make 2000 cm3 of ice? (Use π=3.14.)

cwrw238 · Answer

volume of one cylinder = pi r^2 h = pi*4^2* 8 = 128pi cm3
so number of cylinders = 2000 / ( 128 * 3.14)  
round up this value to  a whole number.

anonymous · Answer

WOW the radius is not the diameter, instead of 4 its 2 Pi*r(radius)^2 @cwrw238