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OpenStudy (anonymous):
A square picture has an area of 3600 sq cm. It was placed in a frame that is 5 cm wide. What is the perimeter of the picture frame?
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OpenStudy (anonymous):
280 cm
OpenStudy (anonymous):
sqrt(3600) = 60 = side of picture frame adds 10 cm to the sides so they are 70 cm x 4 = 280 cm. = perimeter
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