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The label of the Aloha Pineapple Juice can is inches high and has an area of square inches. What is the diameter of the can?  

The label wraps around a cylinder.
It may be useful to draw a net of this cylinder.

A net of a pineapple juice can showing a rectangle and two circles placed on the top and bottom edges of the center of the long side of the rectangle.

You know the equation for the area of a rectangle can be found using the formula:

Substitute the known values and solve for the unknown value.


You learned that the width of the rectangle is equal to the circumference of the circle. Substitute the known values into the following equation and solve for the diameter:

Diameter = ?