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

An Interior Angle is an angle inside a shape. ... Pentagon. interior angles pentagon. A pentagon has 5 sides, and can be made from three triangles, so you know ...

So if we know that a pentagon adds up to 540 degrees, we can figure out how many degrees any sided polygon adds up to. Hexagon has 6, so we take 540+ 180= ...

mistupid.com/math/polygons.htm

Regular Polygons. Sides. Name, Interior Angles, Exterior Angles. 3. Triangle. 60.00°. 120.00°. 4. Quadrilateral. 90.00°. 90.00°. 5. Pentagon. 108.00°. 72.00°. 6.

www.mathopenref.com/polygoninteriorangles.html

The interior angles of any polygon always add up to a constant value, which depends only on the number of sides. For example the interior angles of a pentagon ...

calcworkshop.com/polygons-circles/interior-angles

Jan 21, 2020 ... The chart below represents the formula for each of the most common polygons ( triangle, quadrilateral, pentagon, hexagon, etc.). Polygon Chart.

www.coolmath.com/lesson-interior-angles-of-polygons-2

Interior Angles of Polygons · A square has 4 sides and we made 2 triangles. · A pentagon has 5 sides and we made 3 triangles. · A hexagon has 6 sides and we &...

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

The sum of the measures of the interior angles of a polygon with n sides is (n – 2) 180. The measure of each interior angle of an equiangular n-gon is. image2.png.

www.mathwarehouse.com/geometry/polygon

More on regular polygons here . Measure of a Single Interior Angle. Shape, Formula, Sum interior Angles. Regular Pentagon ...

www.storyofmathematics.com/angles-in-polygons

... all interior angles. The formula n sided regular polygon is given by; sum of interior angles = 180*(n - 2). ... A pentagon is a 5 – sided polygon. n = 5. Substitute.

tutors.com/math-tutors/geometry-help/sum-of-exterior-interior-angles

With this formula we will learn how to find the sum of exterior and interior angles of a regular polygon. Want to check out the video and lesson?