Pythagoras theorem (AQA GCSE Maths): Flashcards

Finds the length of a missing side in a right-angled triangle

Longest side opposite the right angle

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

Two shorter sides

Longest side (hypotenuse)

$short^2 + short^2 = long^2$

Right-angled triangle

Subtract (don't add)

Flagpoles, ramps, ladders

No, must be memorised