When a shape is enlarged, its lengths are all multiplied by S.

- for area - When a 2D shape is enlarged by a scale factor S, because all the lengths are multiplied by S, its area will be multiplied by S².

- for volume - When a 3D shape is enlarged by a scale factor S all the lengths are multiplied by S.
- The areas in the shape will be multiplied by S² and the volumes will be multiplied by S³.

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