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Perimeter = Length of side 1 + Length of side 2 + Length of side 3 + Length of side 4 + Length of side 5 + Length of side 6 + Length of side 7 + Length of side 8.

Q: What is the formula for measuring the perimeter of a octagon?

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There is no formula for an octagon. There are formulas for figuring out different aspects of an octagon, such as its perimeter, diameter, etc.

8

If the octagon is not regular, the perimeter could have any value greater than 18 inches. If it is regular, then the perimeter is 8*18 = 144 inches.

The formula for measuring the area of a square is s2, where s is the length of one of the sides. The perimeter would be 4s.

The perimeter of a triangle is the sum of its 3 sides.

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There is no formula for an octagon. There are formulas for figuring out different aspects of an octagon, such as its perimeter, diameter, etc.

8

If the octagon is not regular, the perimeter could have any value greater than 18 inches. If it is regular, then the perimeter is 8*18 = 144 inches.

8*length of side.

Perimeter = 8 x (length of one side)

The formula for measuring the area of a square is s2, where s is the length of one of the sides. The perimeter would be 4s.

The perimeter of a octagon is the sum of all its sides.

The perimeter of a triangle is the sum of its 3 sides.

1/2*h*b

The length of a square is not determined by a formula, it is determined by measuring the square.

You add all the sides of the pentagon together.

If it's a regular octagon, the perimeter is 8 times the length of one side.