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SSAT Upper Level
Quantitative (Math)

Interior Angles of a Regular Octagon

Medium Geometry And Measurement Polygons

Consider a polygon with 8 sides, known as an octagon. If all the sides of this polygon are of equal length, the octagon is classified as a regular octagon. The sum of the interior angles of any polygon can be calculated using the formula:

$$ S = (n - 2) imes 180 $$

where $n$ is the number of sides in the polygon. Using this formula, what is the measure of each interior angle of a regular octagon?

Hint

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