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Geometry question- Eva Lewis wants to put an underground sprinkler system in her back yard. The yard is a rectangle that is 56ft wide by 85ft long and she wants piping around the perimeter and through the diagonal of her yard. About how many feet of water pipe will Eva need?

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ashlynnicole02
Here is how I solved it.
P = 2 * 56 + 2 *85
56 * 2 = 112
85 * 2 = 170
170 + 112 = 282 
 
So the answer is 282

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