Circle Theorems 3 - The Alternate Segment Theorem
This applet investigates the Alternate Segment Theorem
UK Years 10-11, Ages 14-16, KS4, Higher GCSE Mathematics - Geometry, Shape and Space
Instructions below
See also: Circle Theorems:
1
2
4
Triangles
Circle Parts
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The line PQ is a tangent to the circle, touching the circle only once at the point A. |
The sizes of the angles follow an important rule (theorem), which you can see by clicking "Show Theorem" at the bottom. Try not to do this - try to work the rule out by yourself! Enjoy yourself while you practise and learn this theorem by name. |