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GRE
GRE Quantitative Reasoning Section

Interior Angle of a Regular Pentagon

Very Easy Geometry Polygons

Consider a regular pentagon, which is a polygon with five equal sides and five equal angles. In a regular pentagon, the measures of the interior angles can be calculated using the formula:

$$ ext{Interior Angle} =\frac{(n - 2) imes 180^ ext{o}}{n} $$

where $$ n $$ is the number of sides of the polygon.

Using this formula, what is the measure of a single interior angle of a regular pentagon?

Hint

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