Each interior angle of a regular hexagon measures 120 degrees.
It has a total of 720 degrees of interior angles and a total of 360 degrees of exterior angles.
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Hexagon has 6 sides so 360/6 = 60 degrees interior angle therefore exterior angle = 360 - 60 = 300 degrees
find the sum of the measures of the interior angles of 13-gon.
ANY n-sided polygon has interior angles that sum to 180(n - 2) degrees. For an octagon this is 180 x 6 ie 1080 degrees (so the individual interior angles of a regular octagon are 135 degrees).
Let s be the length of a side of the hexagon and let h be the the apothem 6(1/2sh) it the area of 3sh.
The sum of the interior angles add up to 3240 degrees.