Area formulae you MUST LEARN

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  • Created by: Lily
  • Created on: 11-04-11 09:11

Area of a triangle= 0.5 x b x h

Area of a Parallelogram= base x vertical height / b x h

Area of Trapezium= average of parallel side x distance between them / 0.5 x (a+b) x h

Area of a Circle= pi x r (squared)

Circumference= pi x d

Area of a sector= angle of sector/ 360 x area of full circle

length of arc= angle of sector/360 x circunference of full circle

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