An octagon is a polygon with eight sides and eight angles. The sum of the interior angles of an octagon is 1080 degrees.
Sum of interior angles = (n-2) * 180 where n is the number of sides
Sum of exterior angles = 360 degrees
Number of diagonals = n(n-3)/2 where n is the number of sides
To find the measure of each interior angle of a regular octagon, use the formula: Interior angle = (Sum of interior angles) / Number of sides. For an octagon, this would be: Interior angle = 1080 / 8 = 135 degrees.
To find the measure of each exterior angle of a regular octagon, use the formula: Exterior angle = 360 / Number of sides. For an octagon, this would be: Exterior angle = 360 / 8 = 45 degrees.
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Stop signs, nuts, and bolts, and certain building designs often feature octagonal shapes.
Understanding the properties and formulas related to octagons is essential for solving problems related to geometry and spatial reasoning.
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