Area of trapezium =

Volume of prism = area of cross-section ´ length

Volume of sphere =

Surface area of sphere  = 4pr²

Volume of cone =

Curved surface area of cone = prl

In any triangle ABC

Sine rule                    

Cosine rule                 a² = b² + c² -2bc cos A

Area of triangle         

The Quadratic Equation

The solutions of ax² + bx + c = 0

Where a ¹ 0 are given by

Standard Deviation

Standard deviation for a set of number