Angle Theorem 4

Theorem

Below is an interactive version of the diagram. Drag the points to see how the diagram responds.

Main Angle Theorems page.

When you think that the angle theorems are understood head for an Angle Activity.

Featured Activity

One Torch Tunnel

One Torch Tunnel

Solve the problem of getting four people through a tunnel with one torch in the minimum amount of time. The solution is not obvious but when you get it you see the elegance and beauty of its cunning.

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

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Solvitude Festival

Solvitude Festival

Can you find a way that Madam Mushnik could distribute the coins so that all three rules are obeyed? So far this activity has been accessed 11 times and only 1 person has earned a Transum Trophy for completing it.

Apple

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