- mathcentre workbookFinding lengths of sides of right-angled triangles using Pythagoras' Theorem.
- mathcentre workbookFinding lengths of sides and angles in a right-angled triangle using trigonometry.
- Maths Genie workbookA quick guide to SOHCAHTOA.

- Maths Genie videoVideo showing how to find the lengths of sides in a right-angled triangle using Pythagoras' Theorem.
- Maths Genie videoVideo showing how to find missing sides in right-angled triangles using trigonometry.
- Maths Genie videoVideo showing how to find missing angles in right-angled triangles using trigonometry.

Also see our maths help sessions, and the stats help resources