A decagon is a shape that has ten edges. DEC means TEN.
No.
A shape with seven edges is a polygon, more precisely it is called a heptagon.
Rule for PolygonThe rule/meaning for a polygon is; A shape that has to have three or more straight edges. They have to be connected. The rule for a shape to be a polygon is it has to be a shape that has three or more straight edges, none of them can overlap, and they all have to be connected.What_is_the_Rule_for_a_polygon
If that shape is a polygon then its named an octagon.
A polygon is a shape with these characteristics: •At least 3 sides •No curved edges •No crossing edges •Closed edges; all edges MUST connect at a corner.
decagon
A polygon is any shape without round edges. A qudrolateral has to have 4 sides. your welcome.
As long as it doesn't have open or curved edges, it is a polygon. Go look polygon up in the dictionary! By:SupeRMAn
A decagon
a polygon or shape with ten sides
A ten-sided polygon is called a decagon.