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GRE
GRE Quantitative Reasoning Section

Interior Angle of Regular Dodecagon

Hard Geometry Polygons

Consider a regular dodecagon, a twelve-sided polygon where all sides and angles are equal. To find the measure of each interior angle of this dodecagon, you can use the formula for the measure of each interior angle of a regular polygon, which is given by:

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

where $$ n $$ is the number of sides. Substitute $$ n = 12 $$ into the formula to determine the measure of each interior angle.

Hint

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