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how can we find out base perimeter of square , rectangle, equilateral triangle,hexagon, trapezium

Perimeter of Equilateral Triangle: P = 3a

Perimeter of Square = 4 x Length

Perimeter of rectangle = 2 (Base) + 2 (Height)

Perimeter of trapezium = a + b + c + d, where a, b, c and d are the lengths of sides

Perimeter of hexagon = 6 x length of sides


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