1
Q
cylinder SA
A
2πr²+πdh
2
Q
cone SA
A
πr²+πrl
3
Q
sphere SA
A
4πr²
4
Q
pyramid SA
A
total area of faces
5
Q
Pyramid V
A
1/3 * base area * perp height
6
Q
cone V
A
1/3 * πr² * perp height
7
Q
sphere V
A
4/3πr³
8
Q
arclength
A
θ/360 * πd
9
Q
sector area
A
θ/360 * πr²
10
Q
speed
A
s=d/t
11
Q
density
A
density=mass/volume
12
Q
pressure
A
pressure=force/area
13
Q
prism V
A
cross-section * height
Year 9 Maths
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