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What Are 3D Shapes?
2D shapes are flat, like a drawing. 3D shapes are solid — you can pick them up! They have length, width, AND height. A ball is 3D. A drawing of a circle is 2D.
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Mathematics — 3D Shapes
2D shapes are flat, like a drawing. 3D shapes are solid — you can pick them up! They have length, width, AND height. A ball is 3D. A drawing of a circle is 2D.