__Pythagoras’
theorem__

In any
right-angled triangle

with sides of length and where is
the length of the hypotenuse

__Trigonometry__

Area of a
triangle =

Area of a
triangle =

__Cosine
Rule__

If you know all three sides you can
rearrange the formula to find any angle.

or

__Circumference and Area of a Circle__

Circumference of a circle =

Area of a circle =

is the radius and is
the diameter

__The Quadratic Formula__

The roots of the equation with are

__Volume of a Prism__

The volume of a prism = area of cross-section
length

__Volume of a cylinder__

= area of cross-section height

__Volume of a Pyramid__

V = one third of the area of the base
height

__Area of a trapezium__

The area of a trapezium is the sum of
the areas of two tringles with the same height

Area =

You may want to check that you also
know all the formulae required for the foundation tier.