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Quadrilateral external angle sum case

Author:Ronan Downes, Merryn Horrocks
Topic:Angles, Polygons

Drag the vertices and see what happens to the sum.

New Resources

  • Untitled
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  • Tracing Quadrics and Surfaces
  • Luxembourg Symbol
  • Quadric Surfaces and Cylinders

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Discover Topics

  • Similar Triangles
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