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The formula for finding perimeter of an object is based on the type of geometrical object.

  • Perimeter of a Square = 4L. If one side of a square measures 2 inches then the perimeter of the square is 2 in + 2 in + 2 in + 2 in or 8 inches.lol
  • Perimeter of a Rectangle = 2W + 2L. If the width of a rectangle measures 4 inches and the length measures 2 inches then the perimeter of the rectangle would be 2 in + 2 in + 4 in + 4 in or 12 inches.
  • Perimeter of a Triangle = A + B + C. Literally, this translates to side + side + side.
  • Perimeter of a Circle = Circumference of circle or 2 x Pi x Radius or Pi x Diameter.

You can find the perimeter of an object by summing up the lengths of all the sides.

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