The Golden Ratio in the pentagon - The pentagon is the polygon that naturally contains the Golden Ratio. Quoting Robert Lawlor [1] "the pentagon [is] the symbol of life, with its fivefold symmetry which appears only in living organisms". The pentagon could actually be defined as the regular polygon of five sides whose diagonals are in a Golden Ratio with its sides. This provides a direct method of building a pentagon as we show in the following picture:

The Golden Ratio in the pentagon - The pentagon is the polygon that naturally contains the Golden Ratio. Quoting Robert Lawlor [1] "the pentagon [is] the symbol of life, with its fivefold symmetry which appears only in living organisms". The pentagon could actually be defined as the regular polygon of five sides whose diagonals are in a Golden Ratio with its sides. This provides a direct method of building a pentagon as we show in the following picture:

Mathwords: Area of a Regular Polygon

Mathwords: Area of a Regular Polygon

Regular & Non-Regular Polygons Geometry Worksheet~ In this geometry work sheet, the students cut out shapes of various polygons and glue or tape them to a T chart. The T chart is divided by Regular Polygons and Non-Regular Polygons. A Regular Polygon is made only of sides that are of equal length, and of angles that are all equal. Irregular or Non-Regular Polygon's sides or angles are not all the same. T chart is in Boardmaker and non-Boardmaker formats

Regular & Non-Regular Polygons Geometry worksheet

Regular & Non-Regular Polygons Geometry Worksheet~ In this geometry work sheet, the students cut out shapes of various polygons and glue or tape them to a T chart. The T chart is divided by Regular Polygons and Non-Regular Polygons. A Regular Polygon is made only of sides that are of equal length, and of angles that are all equal. Irregular or Non-Regular Polygon's sides or angles are not all the same. T chart is in Boardmaker and non-Boardmaker formats

http://www.mathsisfun.com/definitions/ - visual and word definitions

What Are The Basics to Calculate Apothem?

polygon | Regular Polygons

Printable regular polygon sheet which includes picture and name of each of the 10 polygons from triangle, through to dodecagon.

There are a number of area of a regular polygon formulas as shown below.    In regular polygons all the sides are equal in length. And so, even if the length of one side is given, we can calculate the area of a regular polygon with the help of the following formula,   AREA = S2 N / 4 tan ( π / N )  S - length of any one side, N - No. of sides of a regular polygon.

There are a number of area of a regular polygon formulas as shown below. In regular polygons all the sides are equal in length. And so, even if the length of one side is given, we can calculate the area of a regular polygon with the help of the following formula, AREA = S2 N / 4 tan ( π / N ) S - length of any one side, N - No. of sides of a regular polygon.

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