Any shape with 10 sides is called a decagon. A regular decagon is a shape with 10 even sides, so you are looking for an irregular decagon.
no
An irregular pentagon.
An irregular octagon.
It can be irregular too so it's a septagon
an four sided figure is called a quadrilateral.
no
An irregular polygon
An irregular pentagon.
An irregular octagon.
A trapezium.
an four sided figure is called a quadrilateral.
It can be irregular too so it's a septagon
Add up the lengths of the sides.
Not exactly. They are two names for the same shape. The typical shape consists of a four-sides figure with opposite sides (and angles) equal. Each pair of parallel sides are the same length.
A quadrilateral can have uneven four sides
The shape that has ten sides and ten vertices is a decagon.Dec-a-gon
Decagon(10 sides polygon).