Yes, the definition of an angle is
The amount of turn between two straight lines that have a common end point (the vertex). You can think of the arms as the two rays.
An angle is formed when two rays begin at a common point. The common point is called the vertex of the angle.
Angle An angle is formed by 2 rays extending from the same endpoint.
angle
an angle
A straight angle
angle
straight angle
An angle is formed by two rays with the same endpoint. If the two rays are perpendicular to one another, they form a right angle.
An angle is formed by two rays with a common endpoint.
An angle is formed by two rays with a common endpoint.
An angle is formed when two rays meet.
is called a straight angle