Maths Circles 4.0 / 5 based on 1 rating ? MathematicsCirclesGCSEOCR Created by: JollityCreated on: 03-11-16 21:02 Formula to work out Circumference of a circle C=TTd or C=2nr 1 of 5 Formula to work out area of a circle A=TTr2 2 of 5 The formula you use depends on the distance around the circle "d" is the diameter & r is the radius. 3 of 5 Area of a circle Space inside of the sircle 4 of 5 TT TT has a value of 3.141,592,654 5 of 5

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