Identifying right-angled triangles - Pythagoras' theorem - CCEA - GCSE Maths Revision - CCEA - BBC Bitesize

Pythagoras' theorem is used to find the length of a side in a right-angled triangle.
Pythagoras' theorem is used to find the length of a side in a right-angled triangle.

Identifying right-angled triangles - Pythagoras' theorem - CCEA - GCSE Maths Revision - CCEA - BBC Bitesize

Identifying right-angled triangles - Pythagoras' theorem - CCEA - GCSE Maths Revision - CCEA - BBC Bitesize

Identifying right-angled triangles - Pythagoras' theorem - CCEA - GCSE Maths Revision - CCEA - BBC Bitesize

Right triangle trigonometry, Lesson (article)

Isosceles Right Triangle -- from Wolfram MathWorld

How to Solve a Right Triangle, Geometry

Isosceles Right Triangle: Definition, Area, Perimeter, Examples

Solving Right Triangles