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  1. www.mathsisfun.com › geometry › polygonsPolygons - Math is Fun

    Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up). Polygon (straight sides) Not a Polygon (has a curve) Not a Polygon (open, not closed) Polygon comes from Greek. Poly- means "many" and -gon means "angle".

  2. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides. The ...

  3. Perimeter of a Regular Polygon. A regular polygon has all the sides equal. And the perimeter of a polygon is the sum of all the sides. So, a regular polygon with n sides has the perimeter = n times of a side measure. For example, if the side of a regular polygon is 6 cm and the number of sides are 5, perimeter = 5 6 = 30 cm. Sum of Interior ...

    • Are all sides of a polygon equal?1
    • Are all sides of a polygon equal?2
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  4. A regular polygon is a polygon in which all sides are equal and all angles are equal, Examples of a regular polygon are the equilateral triangle (3 sides), the square (4 sides), the regular pentagon (5 sides), and the regular hexagon (6 sides). The angles of a regular polygon can easily be found using the methods of section 1.5.

  5. The length of the side of a polygon may or may not be the same. Thus the above-given points prove that all triangles are polygons. What is a Regular Polygon? A regular polygon is one in which all the sides are of equal length and all the angles are of equal measure. For example, a square is a regular polygon. What are the Properties of a Polygon?

  6. A Polygon is a 2D shape which is made up of straight line segments. A regular polygon has all sides and angles equal (e.g. a square is a regular quadrilateral). A triangle with all sides and angles equal is known as an equilateral triangle. Polygons are named after the number of sides they have. Three Sides – Triangle.

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  8. Sides all equal length. Angles all right-angles (perpendicular lines). 2 pairs of parallel lines. Trapezium. ... You can always identify the polygon by how many sides it has, eg. a pentagon is ...

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