how many sides does an polygonshave
4 sides
How many parallel sides has a trapezium?
how many sides convex quadilaterals have
It has 12 sides
that's a trick question. a monagon doesn't exist. mono- means single/onezperiodz
If you mean each exterior angle of a regular 9 sided nonagon then it is 360/9 = 40 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
How many parallel sides has a trapezium?