Pentagon with two right angles – GeoGebra

An example with a regular pentagon

Investigating a general formula for the interior angle sum of polygons

PPT - Triangle Centers PowerPoint Presentation, free download - ID

An equilateral pentagon with all sides of length 2 contains two

Folding Square in a Line through the Center

Constructing ANGLES WITH GIVEN SIZE: GeoGebra Beginner Exercise 6

Designing Teaching: The Pythagorean Theorem

Construction of the Pentagon

PENTAGON.2 - CD

How to know how many parallel sides a pentagon has - Quora