A rhombus is a simple quadrilateral with four sides of equal length.
TWO
A triangle and a rumbas.
Rumbas : 1990-2011
There is an improper plural "bariums" (barium being an element). Otherwise the longest words are umbras and rumbas.
a crescent has 19 sides
how many sides does an polygonshave
10 sides.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
How many sides does a Decahedron Have
3Three.
"no" sides.
Polygon means "many sides."