polygons [2]![click to hear](/images/speaker.jpg)
Geometric plane figures with several sides and a number of equal angles.
regular heptagon ![click to hear](/images/speaker.jpg)
Polygon with seven (hepta = seven) sides and equal angles.
regular pentagon ![click to hear](/images/speaker.jpg)
Polygon with five (penta = five) sides and equal angles.
quadrilateral ![click to hear](/images/speaker.jpg)
Any plane figure with four sides and four angles.
regular hexagon ![click to hear](/images/speaker.jpg)
Polygon with six (hexa = six) sides and equal angles.
parallelogram ![click to hear](/images/speaker.jpg)
Trapezoid whose opposite sides are parallel and of equal length; the sides do not meet at right angles.