the sum of the angle in a octagon is 1080
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1080°
sum interior angles = (number of sides - 2) × 180°= (8 - 2) × 180°= 1080°The sum of the interior angles of an octagon is 1080°In a regular octagon, divide by 8 for each angle = 135°.
360
80 degrees. The sum of the angles in an octagon is 1080. If 7 sides sum to 1000 degrees you subtract that from 1080.
The 8 exterior angles of a regular octagon add up to 360 degrees