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A plane intersects a prism to form a cross section that is a polygon with five sides. The minimum number of sides that the polygon at the base of the prism must have is ______.



Answer :

Final answer:

The base of the prism must have a minimum of 3 sides.


Explanation:

The minimum number of sides that the polygon at the base of the prism must have is 3.

This is because when a plane intersects a prism, the cross-section formed at the base will always be a triangle, which has 3 sides.

Even if a polygon with five sides is created by the plane intersecting the prism, the base polygon of the prism will always have a minimum of 3 sides.


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