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2:24
YouTube
Brian McLogan
Using the exterior angle sum theorem to find the value of x
👉 Learn how to solve for an unknown variable in the exterior angle of a polygon. The exterior angle of a polygon is the angle between a side of the polygon and an outward extension of the adjacent side. The sum of the exterior angles of a polygon is 360 degrees. Given the expressions for the exterior angles of a polygon, to find an unknown ...
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