SOLUTION: Find the area of a label on a soup can that has a height of 12.5 cm and diameter of 7.25 cm. Round your answer to the nearest tenth. Thanks!

Algebra ->  Volume -> SOLUTION: Find the area of a label on a soup can that has a height of 12.5 cm and diameter of 7.25 cm. Round your answer to the nearest tenth. Thanks!      Log On


   

Question 972928: Find the area of a label on a soup can that has a height of 12.5 cm and diameter of 7.25 cm. Round your answer to the nearest tenth.
Thanks!
Found 2 solutions by Boreal, macston:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The label area is the side
The height is 12.5 cm., or width
The length is 2 pi r or pi*D
d=7.25 cm
pi*D=22.78 cm
width * length=12.5*22.78=284.7 cm^2, rounded at end. Sorry that I re-entered the diameter and not the width.
Note: if you round too soon, you get 284.8 cm^2

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
d=diameter; h=height
LA=Lateral area of cylinder=(pi)dh
LA=%28pi%29%287.25cm%29%2812.5cm%29
LA=284.7cm%5E2
ANSWER: The area of the label is 284.7 square centimeters.