Posted by Joanne on Thursday, December 4, 2008 at 12:06pm.
A rectangle picture window is 4 ft. by 7 ft. Polly wants to put a trim molding around the window. How many feet of molding should she buy?
Do I just add both sides to get my answer?

math  CianĂ¡n, Thursday, December 4, 2008 at 12:09pm
Well a picture frame has 4 sides so you need to add the length of all of them.
In other words: 2 lengths + 2 widths
the answer is: 4 + 4 + 7 + 7 = 22ft
You are being asked, in effect, to calculate the perimeter of the photo frame.
Ok,
Hope that helps!
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