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2 X 22/7(pi) X Radius of the circle. You may use 3.14 as the value of pi.

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the formula perimeter depends upon the shape of the figure .

The perimeter of rectangle = 2 X( l + b).

perimeter of triangle = sum of all sides .

perimeter of square = 4 X side .

perimeter of circle = 2 X pi x r .

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