Its a icosikaihena
A shape with 21 sides is called a 21-gon. In geometry, polygons are named based on the number of their sides, so a polygon with 21 sides is referred to as a "henicosagon." These shapes can be regular or irregular, depending on whether all sides and angles are equal or not.
A shape with 9 sides, is a nonagon.
the shape with the most sides is unknown
It is an irregular shape or polygon that doesn't have all sides equal
A shape with six sides is a hexagon.
I believe it is a shape with a sextillion sides (10 to the power of 21)
A shape with 7 sides.
a shape with equal sides
a shape with ten sides
A shape with four sides has four vertices and a shape with three sides has three vertices, so a shape with four sides has more vertices than a shape with three sides.
regular shape is a shape that has same sides irregular shape is a shape that has diffrent sides
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
shape no pairs of perpendicular sides
A shape with 9 sides, is a nonagon.
the shape with the most sides is unknown
a heptagon is a shape with 11 sides!
Shape has fewer than 6 sides