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OpenStudy (anonymous):
Hal cuts a piece of cardboard in the shape shown below. He plans to cut another piece of cardboard in the same shape. The length of the sides AB and DC of the new piece of cardboard are made four times the original dimensions, and the length of the side AD is tripled. What is the area of the new cardboard piece?
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OpenStudy (anonymous):
OpenStudy (anonymous):
someone please help
OpenStudy (helder_edwin):
ok can u see that the figure can be divided into a rectangle and a triangle
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