It is called a Nonagon
A nine sided shape that is called a regular nonagon.
Interior angle
a c angle
An obtuse angle.
A 2d nine sided shape is called a nonagon.
A nine sided shape is called a nonagon.
An acute angle is an angle of a shape under 90 degrees, an angle over 90 degrees is called an obtuse angle. hope this helps!:D
An angle is the shape formed by two rays, called the arms of the angle, meeting at a common endpoint, called its vertex.
A nine sided POLYGON is called a nonagon. Any plain shape bounded by nine straight sides is a nonagon.
Enneahedral
it is called a straight angle, because the shape of the angle is a straight line.
I guess 13 angle shape