www.bbc.co.uk/schools/gcsebitesize/maths/geometry/polygonsrev6.shtml

A secondary school revision resource for GCSE Maths about foundation level
shapes and **polygons**.

www.wyzant.com/resources/answers/26423/1_calculate_the_number_of_sides_of_a_regular_polygon_whose_interior_angles_are_each_156_degree

The sum of the exterior angles of a **polygon** is 360°. (Make believe a [big]
**polygon** is traced on the floor. Stand on one of the vertices and face in ...

classroom.synonym.com/number-sides-polygon-2529.html

A **polygon** by definition is any geometric shape that is enclosed by a **number** of
straight **sides**, and a **polygon** is considered regular if each **side** is equal in length.

www.algebra.com/algebra/homework/Polygons/Polygons.faq.question.251990.html

Algebra -> **Polygons** -> SOLUTION: What is the formula to **find** out the **number of**
**sides** of a regular **polygon** when one interior angle is given? Log On ...

www.algebra.com/algebra/homework/Polygons/Polygons.faq.question.548094.html

Algebra -> **Polygons** -> SOLUTION: **Find the number of sides** of the regular
**polygon** whose interior angles each measure 156 degrees Log On ...

math.stackexchange.com/questions/1091809/how-to-find-number-of-sides-of-an-irregular-polygon

Jan 5, 2015 **...** Using the formula of the sum of interior angles. 162 ( n − 1 ) + 126 = 180 ( n − 2 )
⇒ n = 18. Remark: I assume a simple and plane **polygon**.

math.stackexchange.com/questions/102831/how-can-you-find-the-number-of-sides-on-this-polygon

Jan 27, 2012 **...** Hints to walk through this problem: In the visible grey quadrilateral, what do the
top two angles add up to? How big is each angle of the partly ...