No it is not: any shape with four or more sides which are connected pair-wise is not rigid.
this shape is a decagon this shape is a decagon
Decagon
Decagon. A decagon is the name of a ten sided shape.
A decagon is a geometric shape which has no power to doanything!
A shape with 9 sides is a nonagon. A decagon has 10 sides.
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. A decagon is two-dimensional.
A decagon is a shape that has ten sides. As long as the figure has ten sides to it, then it is a decagon.
Decagon
The answer depends on the specific shape and size of the decagon.
The shape is called a decagon. If all the sides and angles are the same, it is called a regular decagon.
In 2-d, the naming of polygons is such that a 10 sided shape is a decagon. Even if it is a 5-pointed star shape, it is a decagon. A concave decagon (rather than convex) but still a decagon. In 3-d, a decahedron, possibly, with the term "sides" being used for "faces".