Question

define perimeter

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Answer 1

the perimeter of a plane figure is the length of it's boundary

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Answer 2

Perimeter is the sum of the lengths of all the boundaries of a closed figure .

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⚫ The perimeter can be calculated by calculating the lengths of the outer boundaries of the figure.

⚫ The perimeter of a square is 4 × length of one side . This is because all sides of a square are equal .

⚫ The perimeter of a rectangle = 2 ( length + breadth )

⚫ The perimeter of a circle is 2 π r where r is the radius of the circle.

⚫ The perimeter of a rhombus is also 4 × length of one side , as each and every sides are equal .