Pyramid X-Rays
A square pyramid learns from its 'x-rays' that its horizontal cross-sections are all squares, though it feels triangular on the outside.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2024-01-01-pyramid-x-rays/ (CC BY-NC 4.0)Transcript
Doctor: "We got back your x-rays." Pyramid: "Yes? And?" Doctor: "Well… it's your cross-sections… They're all squares." Pyramid: "Gasp! I feel so triangular on the outside!"