We don't know what a pentygon is. "Pentagon" means a figure with five sides. Since it has five sides, no pentagon has four sides. A "quadrilateral" has four sides. And pie are square.
pentygon
If you mean a pentagon then it has 5 interior angles that add up to 540 degrees
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."
4 sides