Right-angled triangles and the hypotenuse
Right-angled triangles and the hypotenuse

Pythagoras' theorem only works in a right-angled triangle. The hypotenuse is opposite the right angle. It is always the longest side.
Right-angled triangles and the hypotenuse
Right-angled triangles and the hypotenuse

Pythagoras' theorem only works in a right-angled triangle. The hypotenuse is opposite the right angle. It is always the longest side.