Angle Theorems

Theorem 1 Theorem 2 Theorem 3
Theorem 4 Theorem 5 Theorem 6
Theorem 7 Theorem 8 Theorem 9

Click on a picture above for a large version and interactive model or show a theorem at Random.

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

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Newsletter

Newsletter

The Transum Newsletter for December 2019 has just been published. Click on the image above to read about the latest developments on this site and try to solve the puzzle of the month. You can read the newsletter online or listen to it by downloading the podcast.

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Tuesday, April 16, 2019

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Magic Square

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Each row, column and diagonal should produce the same sum. So far this activity has been accessed 25434 times and 806 people have earned a Transum Trophy for completing it.

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