Surface area (AQA GCSE Maths): Flashcards

$\pi r l$

Slant height

$\pi r^2 + \pi r l$

$l^2 = h^2 + r^2$

$4\pi r^2$

$2\pi r^2$

Circular base area: $\pi r^2$

Identify, calculate each, add all, subtract hidden areas

Curved excludes base; total includes base area

Distance from apex down slanted side to edge of base