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 Mathematics Formulae
Mensuration

Mensuration

 Rectangle Square trapezium Parallelogram Rhombus Quadilateral Triangle Circle and Sector of Circle Segment of a Circle Ring Polygon

Sine Rule

Cosine Rule

a2 = b2 + c2 + 2bc cos A

b2 = a2 + c2 - 2ac cos B

c2 = a2+ b2 - 2ab cos C

Rectangle

Area of Rectangle

Square

Area of Square

Trapezium

Area of Trapezium

Parallelogram

Area of Parallelogram

Rhombus

Area of quadrilateral = ½ (AC) (h1 + h2)

where h1 and h2 are the altitudes on BC from D and A.

Triangle

Area of Triangle

Circle and Sector of a Circle

Segment of a Circle

Polygon