The amount of wire needed is the perimeter of the octagon formed. Therefore, the wire needed is 160 inches.
What is an octagon?
An octagon is a polygon with 8 sides.
A regular octagon has all its sides equal to each other.
Therefore,
If each side of the regular octagon is 20 inches. The length of the wire needed is as follows:
length of wire = 20 × 8 = 160 inches
Therefore, the length of wire needed for the regular octagon is the perimeter of the octagon.
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