www.regentsprep.org/regents/math/geometry/gg3/lpoly1.htm

www.dummies.com/education/math/geometry/interior-and-exterior-angles-of-a-polygon/

You may need to find exterior angles as well as interior angles when working ...
The sum of the measures of the interior angles of a polygon with n sides is (n ...

www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-polygons/v/sum-of-interior-angles-of-a-polygon

Learn how to find the sum of the interior angles of any polygon. ... But what
happens when we have polygons with more than three sides? ... is well we
already know about this-- the measures of the interior angles of a triangle add up
to 180.

www.algebra.com/algebra/homework/Polygons/Polygons.faq.question.262831.html

the sum of the interior angles of a polygon is given by the equation: s = (n-2)*180
where: s = the sum of the interior angles. n = the number of sides of the polygon ...

www.mathsisfun.com/geometry/interior-angles-polygons.html

The Interior Angles of a Triangle add up to 180° ... If it is a Regular Polygon (all
sides are equal, all angles are equal) ... Sum of Interior Angles = (n-2) × 180°.

www.algebra.com/algebra/homework/word/geometry/Geometry_Word_Problems.faq.question.150864.html

SOLUTION: The sum of the measures of the interior angles of a polygon is
between 2100 and 2400. how many sides does a polygon have? ... sum of
measures of interior angles= 180(n-2) set it equal to 2100 and 2400 180(n-2)=
2100

www.math-only-math.com/sum-of-the-interior-angles-of-a-polygon.html

Therefore, the sum of interior angles of a polygon having n sides is (2n – 4) right
angles. Thus ... Then the measure of each of its interior angle = [(2n – 4) × 90°]/n.

www.mathwarehouse.com/geometry/polygon/

What is the sum measure of the interior angles of the polygon (a pentagon) on
the left? ... Formula to find 1 angle of a regular convex polygon of n sides = a.

www.cliffsnotes.com/study-guides/geometry/polygons/angle-sum-of-polygons

Theorem 39: If a convex polygon has n sides, then its interior angle sum is given
... is convex, then the sum of the degree measures of the exterior angles, one at ...

www.mathopenref.com/polygoninteriorangles.html

... and repeat. Note the behavior of the interior angles and their sum. ... So for a
polygon with N sides, there are N vertices and N interior angles. For a regular ...