Perimeter

The perimeter is the distance around a given two-dimensional object. For a polygon it is calculated by adding the lengths of all of the sides.

For circles the equation is P= 2 π r, where r is the radius and π is the mathematical constant.

See also:

ca:Perímetre es:Perímetro pt:Perímetro ru:Периметр simple:Perimeter zh:周界

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