Perimeter of an object is the distance around its edge. In triangle, the perimeter is the sum of all its sides so as in quadrilateral it is the sum of all its four sides and so on.
(Courtesy :- https://en.wikipedia.org/wiki/Perimeter)
Origin :- Perimeter comes from the Greek word 'peri,' meaning around, and 'metron,' which means measure. Its first recorded usage was during the 15th century.
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Dr Rajesh Kumar Thakur
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