jossengel jossengel

10-05-2017
Mathematics

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A piece of fabric measures 40 by 38 inches. A triangular scarf with a height of 27 inches and a base of 30 inches is cut from the fabric. How much is left over? A. 355 in.^2 B. 557.5 in.^2 C. 1115 in.^2 D. 710 in.^2

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fussellk fussellk

10-05-2017

Area of fabric is lxw = 40 x 38 = 1520
Area of triangle is (b x h)/2 = (30 x 27)/2 = 405

Subtract 1520 - 405 = 1115

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