1
Q
Compound growth and decay
A
N= No (Multiplier)^n
2
Q
Are of trapezium
A
1/2(a+b)hv
3
Q
Quadratic equation
A
X= -b√b^2- 4ac
——————
2a
4
Q
Speed
A
D
———
S x t
5
Q
Density
A
Mass
————————
Density x volume
6
Q
Pressure
A
Force
——————
Pressure x area
7
Q
SOH
A
O
——
S x H
8
Q
CAH
A
A
———
C x H
9
Q
TOA
A
O
——
T x A
10
Q
Area of a triangle without knowing base and height values
A
Area of triangle= 1/2 x ab sin C
Where C is the angle given
11
Q
Pythagoras theorem for a right angled triangle
A
a^2 + b^2 = c^2
12
Q
Pythagoras for cuboids
A
a^2 + b^2 + c^2= d^2
Maths-Zoe Brown
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