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31-01-2018
Physics

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Taken parallel to the base, which of the following solids has a cross section that is not a rectangle? A. rectangular pyramid B. square pyramid C. triangular pyramid D. rectangular prism

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egenriether egenriether

31-01-2018

C. This is because if you cut it in a plane parallel to the ground, the triangular pyramid (tetrahedron) you get a triangle, not a rectangle. (Note that the square is a special case of a rectangle and is therefore considered to be one)

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