Quadrilateral Pyramid Net

This sketch makes a net for a general quadrilateral pyramid, including the ability to make concave pyramids. While you can make the polygons overlap, by changing which angles foce the concavity I think you can make an pyramid.

Be sre to leave tabs on for taping if you're printing cutting and folding.

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Posted at mathhombre.blogspot.com

Extension: Can you use this sketch to make three pyramids with equal volume that assemble into a cube (or other right rectangular prism?)

John Golden, Created with GeoGebra