SOLUTION: A cylindrical-shaped paint can has a diameter of 18 cm and is 25 cm tall. The paint can is entirely made of aluminum. What is the least amount of aluminum needed to make the pai

Algebra ->  Volume -> SOLUTION: A cylindrical-shaped paint can has a diameter of 18 cm and is 25 cm tall. The paint can is entirely made of aluminum. What is the least amount of aluminum needed to make the pai      Log On


   

Question 1037303: A cylindrical-shaped paint can has a diameter of 18 cm and is 25 cm tall. The paint can is entirely made of aluminum.
What is the least amount of aluminum needed to make the paint can? (Use 3.14 for pi.)

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A cylindrical-shaped paint can has a diameter of 18 cm and is 25 cm tall. The paint can is entirely made of aluminum.
What is the least amount of aluminum needed to make the paint can?
-----------
The lateral area = pi%2Ad%2Ah
The bottom and top are pi%2Ar%5E2 each.