Circle Theorems 1

Author:
John Rawlinson
Circle Theorems 1 Find the rule for each circle. Click on the points and move them around.
GeoGebra Applet
What do you notice about angles A and D? What do you notice about angle D if you don't move anything else? What do you notice about angles G and H? What do you notice about angle L? What do you notice about angles Q and O? What do you notice about angles P and N?

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