Decision Maths - Graphs

Mr Bayle, 02/10/2016

Each of the tasks is a graph that has been drawn as non-planar. See how many you can redraw so they are actually planar. Hint: you might need to move one or more vertices or an edge.


  • 1. Planarity 1
  • 2. Planarity 2
  • 3. Planarity 3
  • 4. Planarity 4
  • 5. Planarity 5
  • 6. Planarity 6
  • 7. Planarity 7
  • 8. Planarity 8
  • 9. Planarity 9
  • 10. Planarity 10

1.

Planarity 1

– Mr Bayle

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3.

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5.

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6.

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7.

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8.

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10.

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