Circle Theorem 4

Theorem

Below is an interactive version of the diagram 'Powered By GeoGebra'. Drag the points to see how the diagram responds.

Main Circle Theorems page.

When you think that the circle theorems are understood head for the Circle Theorems Exercise.

Featured Activity

Code Cracker

Code Cracker

Learn the basic techniques for cracking codes then practise them using this interactive challenge. There are three levels of difficulty and many different messages to decipher.

This is a Shine+Write visual aid designed to be projected onto a whiteboard for whole class exposition.

You can find other popular visual aids on our Shine+Write page.

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Transformation Golf

Transformation Golf

Use reflection, translation or rotation to get the ball into the holes on this nine-hole golf course. So far this activity has been accessed 119 times and only 1 person has earned a Transum Trophy for completing it.

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