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The formula is: (20-2)*180 = 3240 degrees which is the total sum of interior angles

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Q: How do you find the sum of the angles in a 20-gon?
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Find the sum of the measures of the interior angles of a 13gon?

find the sum of the measures of the interior angles of 13-gon.


How do you find the sum of the measure of interior angles?

(number of sides - 2)*180 = total sum of interior angles


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The sum of the angles is 900 degrees - and the polygon does not need to be convex.


What is the formula to find the sum of angles in a equiangular triangle?

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If you know the sum of the angles of a regular polygon how can you find the measure of one of the congruent angles?

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Find the angles in a quatrilateral when you know 2 angles?

The sum of all four angles is 360 degrees. Thus, you have insufficient information to know the individual angles; you can only know their sum, which is 360 minus the sum of the other two angles.


A Find the sum of the interior angles of a regular 20-gon?

The sum of the interior angles add up to 3240 degrees.


How do you find the sum of the measures of the angles in polyons with out using a protractor?

(number of sides - 2)*180 = sum of interior angles


How do find the sum of complementary angles?

By definition, they must sum to 90 degrees.


To find the sum of the interior angles of a regular polygon?

The sum of the interior angles of an n-sided polygon is 180n - 360 degrees.


How many ways can you find the sum of measures of the exterior angles of a polygon?

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How do you find the interior sum of the angles of a polygon?

There is no single formulaImproved Answer:-(number of sides -2)*180 = number of the sum of interior angles