it's a decagon.
One of the most common answers is a five-shaped star.
It depends on whether or not the decagon is a perfect decagon or a complex decagon. However, a perfect decagon has no acute angles.
Decagon.
yes a decagon can tile!!!!!!!!!!
it's a decagon.
Decagon
No. A star usually has lines which cross one another; a decagon does not.
decagon
A decagon
decagon
A star on a American flag
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".
One of the most common answers is a five-shaped star.
It depends on whether or not the decagon is a perfect decagon or a complex decagon. However, a perfect decagon has no acute angles.
decagon
Decagon