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An octagon is a polygon with 8 sides. To find the diameter of a regular octagon when each side is 18 inches in length, you can use the formula:

Diameter = Side length × √(2 + √2)

Plugging in the given side length (18 inches):

Diameter = 18 × √(2 + √2) ≈ 56.97 inches

So, the diameter of the octagon is approximately 56.97 inches.

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Aroosa Moeez

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1y ago

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