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April 19, 2014

April 19, 2014

Posted by **jeng** on Thursday, October 29, 2009 at 10:14pm.

inches of aluminum are needed to make the can?

- math -
**Reiny**, Thursday, October 29, 2009 at 10:48pmVisualize a can, cut off the circles at the top and bottom, and cut open the remaining "sleeve".

Don't you now have 1 rectangle and 2 equal circles?

Find the areas of each and add them up

(hint: the length of the rectangle is the circumference of the circle)

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