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What is perimeter and how to do it ?
Perimeter :
In geometry, perimeter can be defined as the path or the boundary that surrounds a shape. It can also be defined as the length of the outline of a shape.
Perimeter of triangle :
Perimeter of the triangle below with sides of length a units, b units and c units $= (a + b + c)$ units.
Similarly, to find the perimeter of a complex figure, add the lengths of all the sides of the figure.
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