straight angle
A straight angle.
supplimentary angles
In planar geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
An angle is formed when two rays begin at a common point. The common point is called the vertex of the angle.
an angle.
The angle that is formed by the opposite rays is called the straight angle. This is from the fact that the opposite rays form a straight line.
is called a straight angle
straight angle
An angle cannot be formed by only one ray. However, an angle formed by two opposite rays is called a straight angle.
A straight angle.
A straight angle
vertical angels
180 degrees because opposite rays form a straight line.
A side refers to one of the rays that form an angle. Vertical are also called opposite angles. They are nonadjacent angles formed by intersecting lines.
supplimentary angles
In planar geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
An angle is formed when two rays begin at a common point. The common point is called the vertex of the angle.