Problem-solving practice 2 (AQA GCSE Maths): Flashcards

$\frac{1}{2}\pi r^2$

Choose simple numerical values to make arithmetic easier

$(short)^2 + (short)^2 = (long)^2$

$(short)^2 = (long)^2 - (short)^2$

The hypotenuse (longest side)

$360°$

$360°$

$\frac{360°}{n}$

Subtract interior from $180°$

Plan your approach and steps before starting calculations