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3D figures: faces, edges, vertices and nets
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Learn it A net is a flat shape that folds into a 3D figure. A cube's net has 6 squares. Euler's rule for these solids: faces + vertices − edges = 2.
Example: Which solid folds from 1 square and 4 triangles?
- The square is the base.
- 4 triangles meet at a point: a square pyramid.
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