A regular octagon has 8 sides with an Interior Angle of 135° and an Exterior Angle of 45°. The sum of interior degrees in any geometric shape is 180*(n-2) where n equals the number of sides. Accordingly for an octagon with n = 8, The sum of interior degrees is 1080
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The sum of angles of a regular polygon in degrees = 180(n - 2), where n is the number of sides of the regular polygon. So, where n = 8 the sum of angles in degree = 180(8 - 2) = 180(6) = 1,080 Angle in degree = (The sum of angles in degree)/n Angle in degree = (1,080)/8 = 135 Thus, in a regular octagon, the degree of an angle is 135.
An octagon has 8 sides, not 6, and each internal angle is 45 degrees. A hexagon has 6 sides, and the internal angle between each side is sixty degrees.
In a regular octagon, each angle is 135 degrees. If the octagon is not regular, then it can have as many as 6 right angles in it.
Normally, 'Octagon' octagon
An octagon is a 8-sided polygon. Sum of interior angles of octagon = (8 - 2) x 180o = 1080o