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25-03-2018
Mathematics

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The perimeter of a rectangular painting is 312 centimeters. If the width of the painting is 64 centimeters, what is its length?

Respuesta :

25-03-2018

Perimeter= 2L + 2W
312 cm= 2L + 2(64)
312= 2L + 128
subtract 128 from both sides
184= 2L
divide both sides by 2
92 cm= L

ANSWER: The length is 92cm.

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