# Flat vs Solid Shapes

Distinguish two-dimensional (flat) shapes from three-dimensional (solid) shapes

Builds on: 2-D shapes (hard, https://ai.page/c/2-d-shapes/en.md), 3-D shapes (hard, https://ai.page/c/3-d-shapes/en.md)

Concept id: flat-vs-solid-shapes. Subject: maths. Licence: CC BY-SA 4.0.

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