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OpenStudy (studdyer2):
Which 3 dimensional figure can have a cross section of a rectangle ? A cone, cylinder, tetrahedron or a pyramid? I know it's not a cone and probably not a cylinder ?
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OpenStudy (kiwibyrd):
it actually is a cylinder ! if you look at it from the side, it is a rectangle. think of the shapes that they could make if you were only looking at their shadows
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