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Compound Angle Formulae

Author:
Elliot Malkin
Topic:
Angles, Trigonometry
Drag the blue dots to see what happens. When you have settled on your favourite angles...
  • Can you work out the values of all the other angles in the diagram?
  • Can you work out all of the lengths?

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  • Polygon Angles: Quick Thin Slice Explorations
  • Similar Figures: Quick Intro
  • Lesson and Practice: Circle and Coordinate Geometry
  • Dilations Part 2: What Do You Notice?

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