Pythagoras’ Theorem, Perimeter, and Area (HSC SSCE Mathematics Standard): Quizzes

$h^2 = a^2 + b^2$

The longest side opposite the right angle

Subtract the squares then take square root

$P = 2(l + b)$

Circumference

The diameter

10,000 cm²

$A = \frac{1}{2}bh$

The height

Divide into simple shapes and add areas