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.

Featured Activity

Snooker Angles

Snooker Angles

This must be the most enjoyable way to practise estimating angles and learn about bearings. Snooker Angles is an interactive game for one or two players.

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.

Find out about the latests developments on this website by signing up for a Transum Subscription. You will receive a regular newsletter and have access to the answers to most of the puzzles and activities on this site.

Idan Tal, Twitter

Tuesday, April 16, 2019

Recently Updated

Don's Expressions

Don's Expressions

Find expressions for the missing lengths in the diagrams not drawn to scale. So far this activity has been accessed 54 times and 5 people have earned a Transum Trophy for completing it.

Apple

©1997-2026 WWW.TRANSUM.ORG