Cubic feet is calculated by measuring feet in three different directions like length, width and depth. Then you would multiply all three of these measurements together.
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1. Add the length (in feet) of the top edge to the measurement (in feet) of the bottom edge parallel to the top. For instance, a trapezoid with a top edge of 3 feet and a bottom edge
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2ftx2ftx2t= 8ft. 3.
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Calculating cubic feet, or volume is necessary for estimating concrete or attic
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