to be a three sided shape
A triangle
An octahedron. It has three axis.
The name for a 57 sided shape is derived by combining the name for a 50 sided shape with the name for a 7 sided shape. A 57 sided shape is called a pentacontaheptagon.
A polygon refers to a plane figure that has at least three straight sides and angles. An 18 sided shape is called an octadecagon or octakaidecagon.
a triangle
12-sided two dimensional shape: dodecagon12-sided three dimensional shape: dodecahedron
A triangle.
triangle
a three sided shape
A three sided shape is a triangle, all the angles in a triangle add up to 180 degrees.
There is no such shape.
There is no three-sided shape with two obtuse angles, because the three interior angles of a three-sided shape, which is a triangle, add up to 180 degrees, and two obtuse angles would be over 180 degrees.
to be a three sided shape
A triangle
a triangle
A three sided shape is a triangle because of the beginning tri . Just remember it like a tricycle which has 4 wheels.