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Maths Tips

Some Maths Facts

Perimeter of Circle = 2piR (pi=3.14, R= Radius)

Area of Circle = piR*R

Perimeter of  Rectangle = 2(l+b) or 2l+2b  (l = length, b = breadth)

Area of rectangle = l*b

Perimeter of square = 2a (a = one side)

area of square = a*a

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