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A plane intersects a prism to form a cross section that is a polygon with 5 sides. What is the minimum number of sides that the polygon at the base of the prism must have?

User Mxxk
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3 sides. See attached figure.The cross section is KLIMJ.
A plane intersects a prism to form a cross section that is a polygon with 5 sides-example-1
User Sam Deane
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