What is the shape of the cross section shown in this figure?
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The cross section is a . The length of the cross section is cm. The width of the cross section is cm.
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A 3-dimensional figure has a square base and 4 lateral faces that meet at a point. Explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex.
The 3D figure described is a square pyramid. If you make a slice perpendicular to the base that passes through the vertex, the resulting cross section is a triangle. If the slice is perpendicular to the base but does not pass through the vertex, the cross section is a trapezoid.
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