what is the equation to figure the angles of a polygon?
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A polygon is a plane figure whose boundary is formed by straight lines. The simplest example is a triangle. A square, rectangle, kite, etc are common 4 sided polygons. Polygons can have angles that are greater than 180 degrees (reflex angles), so a 5 pointed star is a ten sided polygon. There is no limit to the number of sides a polygon can have. If all the sides and angles of a polygon have the same measures, it is called a regular polygon.
This type of polygon is called a hexagon. "Hex-" is a greek root, meaning 6. A polygon is a geometric plane figure consisting of at least 3 straight sides and angles, such as a triangle or square. Because "hex-" means 6, you know that a polygon that has 6 sides and 6 angles is a hexagon. As another example, "octo-" means 8, so a polygon that has 8 sides and 8 angles would be called an octagon.
The sum of the exterior angles of a polygon is 360o.
an irregular polygon is a polygon that is the opposite of a regular polygon in a regular polygon the sides are the same and the angles are the same and irregular is the opposite.
A polygon with 7 sides and 7 angles is a heptagon.