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Here is the formula-
(Number of sides -2) x180 degrees = angle sum.
The sum of the interior angles inside of a polygon will be 180*(n-2) degrees, where n=number of sides of the polygon. Example: a triangle has 3 sides; therefore, the sum of the angles inside will be equal to 180*(3-2)=180*(1)=180 degrees.
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How many sides does a polygon have if the sum of its interior angles is equal to the sum of its exterior angles?
The sum of the exterior angles of all polygons equals to 360⁰.Since only the sum of the interior angles of all quadrilaterals equals to 360⁰, the polygon must have 4 sides.
What is the sum of the measures of the exterior angles of a 157- gon?
360 degrees. The sum of the measures of the exterior angles of any polygon is 360°.
What is the sum of angles of 10 sided polygon?
Sum of exterior angles = 360 degrees Sum of interior angles = 1440 degrees
What is the sum of the measure of the exterior angles of a regular nonagon?
All exterior angles of any polygon sum to 360 deg. If there are 9 angles then each angle is 40 degrees.
What is the sum of the exterior angles of a 13 sided polygon?
The sum of the exterior angles is always 360 degrees.
