1

Pythagoras' Theorem

2

Area of a Triangle

b = base

h = height

3

Circumference of a Circle

Circumference = pi x diameter

THINK!! * Cherry pies delicious *

4

Area of a Circle

where r = radius

THINK!! * Apple pies are too *

5

Formula Triangle for Histograms...

Or...Frequency = Frequency Density x Class Width

Or...Class Width = Frequency / Frequency Density

6

Speed, Distance, Time

So, Distance = Speed x Time

Speed = Distance / Time

Time = Distance / Speed

7

Density, Mass, Volume

So, Density = Mass / Volume

Mass = Density x Volume

Volume = Mass / Density

8

Trigonometry Ratios (Sin, Cos & Tan)

REMEMBER!! SOHCAHTOA

Sin (of angle) = Opposite / Hypotenuse

Cos (of angle) = Adjacent / Hypotenuse

Tan (of angle) = Opposite / Adjacent