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Mathematics
Geometry
Pyramids
Leonard is going to construct a pyramid with cardboard for math class. Find how many square inches (in.2) of cardboard he will need. Use 4(12)bh+b2, where b, the base of the pyramid, is 3 in. and h, the height of the pyramid, is 8 in.(1 point)
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4(12)(3)(8) + (3)(3) = 384 + 9 = <<4*12*3*8+3*3=384+9=393>>393 in.2
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