What is the measure of each interior angle of a regular hexagon?
Answer: D
The formula for the measure of an interior angle of a regular n-sided polygon is \(\frac{(n-2) \times 180°}{n}\).
For a hexagon, n=6.
Angle = \(\frac{(6-2) \times 180°}{6} = \frac{4 \times 180°}{6} = 4 \times 30° = 120°\).