decagon
triangle.
A hexagon is an example of a regular polygon with 6 sides.
A pentagon or an irregular pentagon if the sides are unequal in length.
The honeycomb cells are in the form of a tessellated regular hexagon (six equal sides).
a quadrilateral
hexagon
decagon
An octagon.
there is no sutch thing in the holl intier world or uneveres anlese some one made a shap up called one set of parellel sides
Hexagon
triangle.
A nonagon has 9 sides
A trapezoid, trapezium and a pentagon have only 1 set of parallel linesRead more: What_3_shapes_have_1_set_of_parallel_lines
a crescent has 19 sides
A hexagon is an example of a regular polygon with 6 sides.
A pentagon or an irregular pentagon if the sides are unequal in length.