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Earn +20 ptsQ: What is the interior angle sum for a regular 20-gon?
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What is the measure of an angle of a regular dodecagon?
Interior Angle: 150 degrees (Interior Angle Sum: 1800) Exterior Angle: 30 degrees (Exterior Angle Sum: 360)
How many degrees are in the sum of an interior angle and exterior angle of a regular polygon?
180
The sum of an interior angle and an exterior angle of regular hexagon equals?
Interior is 120 degrees Exterior is 60 degrees.
How do you find the sum of angles in a n-sided polygon to give an expression for the measure of each interior angle of a regular n-gon?
It is: (number of sides -2)*180 = sum of interior angles If its a regular polygon then: sum of interior angles/number of sides = each interior angle
What is the interior angle sum of regular pentagon?
It's 540 degrees for any pentagon, regular or not.
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