1
Q
speed =
A
distance/time
2
Q
time taken =
A
distance/average speed
3
Q
distance travelled =
A
average speed x time
4
Q
absolute error =
A
VA - VE
5
Q
percentage error =
A
VA - VE/VE x 100
6
Q
rate of flow =
A
volume/time
7
Q
volume =
A
L x W x H
8
Q
density =
A
mass/volume
9
Q
mass =
A
density/volume
10
Q
Square Perimeter =
A
4 X L
11
Q
Rectangle Perimeter =
A
(2 X L) + (2 X W)
12
Q
Circle Perimeter Known Radius =
A
2 π R
13
Q
Circle Perimeter Known Diameter =
A
π D
14
Q
Chunk Perimeter Circle =
A
angle/360 x 2πR + 2R
15
Q
Area of Triangle =
A
1/2 x b x h
16
Q
simpson’s rule (irregular shape)
A
A = W/3 (Lo + (4xL1) = L2)
17
Q
cylinder
A
2πrh + 2π(r2)
18
Q
Sphere
A
4π(r2)
19
Q
Cone
A
πRS + π(R2)
Year 11 General Maths
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