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A triangular pyramid is cut by a plane. In which case is the cross section a quadrilateral?

User Sanketh
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Answer:

the cut plane is between non-intersecting edges

Explanation:

The cross section will be a quadrilateral when the cut plane intersects four of the six edges of the pyramid. This will be the case when the plane lies between two edges that do not intersect.

A triangular pyramid is cut by a plane. In which case is the cross section a quadrilateral-example-1
User JBoothUA
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