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.