Yes, it is. A Quadrangle is just another word for Quadrilateral (a four sided polygon).
The Greek word polygon means 'many sides'
The polygon is a close figure.
Polygon simply means a many-sided figure. It doesn't specify how many sides. So, for example, triangles, squares, rectangles, rhomboids, pentagons, hexagons, and so on are all polygons.
No. That is because there is no such word as "roumbus". A rhombus, on the other hand, IS a polygon. It is a quadrilateral.
Polygon, for many-sided.
A 12 sided polygon
Polygon
quadrilateral
Yes, it is. A Quadrangle is just another word for Quadrilateral (a four sided polygon).
Regular polygon Equilateral polygon Polygon with rotational symmetry
The Greek word polygon means 'many sides'
polygon polygon
The polygon is a close figure.
If a dectagon is another word for a decagon then this is a 10 sided polygon. No matter how many sides it has, the sum of the external angles of a convex or regular polygon is 360°.
A polygon comes from a Greek word meaning 'many sides'
Because the word polygon means many sides.