Nonagon has 9 sides
Decagon has 10 sides
Heptagon has 7 sides
Decagon. A decagon is the name of a ten sided shape.
A ten-sided polygon is called a decagon.
A ten sided shape
A decagon is the ten-sided polygon (two dimensional shape). A decahedron is a ten-sided thee-dimensional shape. A ten-sided die can also be called a pentagonal trapezohedron.
a ten sided shape is called a decagon and usually 2d
Pentagon shape
decagon
decagon
A decagon.
decagon
decahedron
A triangle is a 3 sided shape. There are a few types, Isosceles, Scalene (Acute and Obtuse), Equilateral and the Right angle triangle.