The mirror shows a plane of reflection symmetry in cube
| Reflection (mirror) symmetry of cube |
Materials: 3 mirrors, square fragments, dry erase markers (4 colours) |
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First mirror
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Second mirror |
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The mirrors show two mutually perpendicular planes of mirror symmetry in cube |
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Third mirror |
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The mirrors show three mutually perpendicular planes of mirror symmetry in cube |
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| Move of one mirror | ||
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| The mirrors show three planes of mirror symmetry in cube. The planes of mirror symmetry are no longer all perpendicular. Two planes cross at angle 45deg and the third is perpendicular to both. | ||