Finding Each Interior Angle of a Regular Octagon

Easy Geometry Polygons

A polygon is characterized by the number of its sides, and the sum of its interior angles can be calculated using the formula:

$$ S = (n - 2) \times 180 $$

where $$ S $$ is the sum of the interior angles and $$ n $$ is the number of sides. Consider a regular octagon, which has eight equal sides.

What is the measure of each interior angle of a regular octagon?

$$ 135^{\circ} $$

$$ 140^{\circ} $$

$$ 145^{\circ} $$

$$ 150^{\circ} $$

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