Any shape can have an exterior angle of 45 degrees. If you are talking about exterior angle sum, it is always 360 degrees for any polygon. If you are talking about a regular polygon (equal exterior angles), it would be 360/45=8 sides. Therefore, a regular octagon has exterior angles of 45 degrees.
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Each exterior angle is 45 degrees and its 8 exterior angles add up to 360 degrees
To find the exterior angle of any polygon, you can use the formula: 360 degrees divided by the number of sides. For an 8-sided polygon (octagon), the exterior angle would be 360 degrees divided by 8, which equals 45 degrees. This means each exterior angle of an octagon measures 45 degrees.
In an octagon, the sum of all exterior angles is always 360 degrees. Therefore, each exterior angle of an octagon measures 360 degrees divided by 8, which equals 45 degrees. This means that each exterior angle of an octagon is 45 degrees.
A isosceles right angle triangle will have 2 equal interior angles of 45 degrees and 1 angle of 90 degrees with its largest exterior angle being 180 -45 = 135 degrees.
Each exterior angle of a regular octagon: 360/8 = 45 degrees