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The interior angle of a regular octagon is 135â and the external 45â.
Interior angle of octagon. If it is a regular polygon all sides are equal all angles are equal shape sides sum of interior angles shape each angle. In general if a polygon has n sides then the sum s of the interior angles of the. When any internal angle is greater than 180 it is concave.
Angles of an octagon the general rule for finding the interior angles or the angles inside of a polygon is to remember that a triangle 3 sided figure has an angle sum of 180 degrees. See full answer below. N n 2 180 n 2 180 n.
As with all polygons the external angles total 360. Subtract 45 from 180 and you get 135 however each interior angle is split in half to make the two gluing surfaces. The interior angles for an octagon is 135 degrees each to equal up yo 1080 degrees each octagon has to equal up to 1080 degrees.
The sum of the interior angles of an octagon is 1080. The sum of all the internal angles of any octagon is 1080. More precisely no internal angles can be more than 180.
Concave has a cave in it. So the sum of the interior angles of an octagon is 1080 degrees. A convex octagon has no angles pointing inwards.
720 120 heptagon or septagon 7.
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