it is called a seven sided shape in Canada
An five sided shape is called a Pentagon
a 69 sided shape is called a sexagon
A 90 sided shape is called Enneacontagon.
A 128-sided shape is called a hecatoicosioctagon.
12-sided two dimensional shape: dodecagon12-sided three dimensional shape: dodecahedron
A 23 sided polygon(shape) is called a icosikaitrigon, it can also be referred to as a 23-gon.
A three sided shape is a triangle because of the beginning tri . Just remember it like a tricycle which has 4 wheels.
An equilateral triangle.
It is a hendecahedron.
It is called a triangle. three-sided polygon is called a triangle, from the Greek word "tri" meaning "three" as in tricycle, or tripod. from : espi
it is called a seven sided shape in Canada
a decagon
a one sided shape is called a henagon and a 2 sided shape is called a digon
An eight-sided three-dimensional shape is called an octohedron.
A hexahedron is a three-dimensional geometric shape having six sides; a hexagon is a two-dimensional six-sided shape.
a Pentagon is five sided and CAN have 3 right angles.