Pythagoras’ Theorem (Edexcel GCSE Maths): Quizzes

Square of hypotenuse = sum of other squares

$a^2 + b^2 = c^2$

The hypotenuse (longest side)

The two shorter sides (legs)

Only for right-angled triangles

Longest side opposite the right angle

Any of the three sides

Write down the formula $a^2 + b^2 = c^2$

Hypotenuse should be longest side

Differences in x and y coordinates

The hypotenuse

An exact length left as a surd