Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...

Pythagoras Theorem states that for a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. Practice applying Pythagoras’ theorem ahead of your ...

Practise finding the hypotenuse using Pythagoras’ Theorem. Interactive buttons allow students to monitor their own progress. The hypotenuse is the longest side of a right-angled triangle, and ...