Maths Formulae

Area of a Rectangle

Area of a Rectangle

l x w

Area of a Parallelogram

b x h

Area of a Triangle

1/2 x b x h

Area of a Trapezium

1/2(a + b) x h

Volume of a Cuboid

l x w x h

Volume of a Prism

area of cross section x l

Volume of a Cylinder

πr²h

Volume of a Pyramid

1/3 x area of base x h

Circumference

π x d

Circumference

2 x π x r

Area of a Circle

πr²

Speed

distance/time

density

mass/volume

Pythagoras' Theorem

a² + b² = c²

Sine Rule

a/sinA = b/sinB = c/sinC

Cosine Rule

a² = b² + c² - 2bcCosA

Area of a Triangle

1/2absinC