Adecagon.
Decagon
It is a 10 sided decagon polygon
An irregular (concave) polygon with 10 or more sides.
An octagon has 8 sides and 8 angles.
A shape with 5 angles has 5 sides, always. Pentagons have 5 sides, and 5 angles.
A shape with 5 sides and 5 angles is a pentagon.
A scalene triangle is a shape that has no sides or angles with the same measurements.
A shape with 11 sides and angles is called an 11-gon, or a hendecagon.
This Shape is a HEXAGON which has 6 sides and 6 angles.
Angles and sides are congruent when they are identical. A shape with four identical sides and angles is a square.
Yes and a 10 sided shape is a decagon having 10 interior angles that add up to 1440 degrees