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.
heptagons have 7 sides
Twelve sides.
They have 12 sides
Using the formula 0.5(n^2 -3n) whereas n is number of sides, altogether there are 104 diagonals in a 16 sided polygon
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.
3Three.
How many sides does a Decahedron Have
"no" sides.
4 sides
Polygon means "many sides."
How many parallel sides has a trapezium?
three