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What would the total sum of the interior angles be for a polygon with 20 sides?
The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees. 3240 degrees
If the number of sides of a polygon is increased by five by how much would the sum of the interior angles of the polygon increase?
By 900 degrees as for example a triangle has 3 sides that add up to 180 degrees then if 5 sides are added to it then it then is an 8 sided octagon with interior angles that add up to 1080 degrees
What is the sum of all the interior angles in a hexagon?
The sum of the interior angles of any polygon with n sides = 180*(n-2) degrees. So for a hexagon, the sum would be 4*180 = 720 degrees.
How many sides would a polygon have whose interior angles are exactly 179 degrees?
Interior angles of any polygon with n sides always add up to 180(n-2) degrees. If a polygon is a regular polygon with n sides, and each interior angle is 179 degrees, then its interior angles will add up to 179 n. In both cases, you must get the same result for what the interior angles add up to. So: 179n = 180(n-2). Multiply out the 180 179n = 180n - 360, and subtract 180n from both sides to get -n = -360, so therefore n = 360 and it would have 360 sides.
What would be the interior angle of a 31 sides polygon?
That would depend if it's a regular or an irregular polygon but in both cases all the interior angles add up to 3420 degrees
