4
An angle
An angle is formed when two rays begin at a common point. The common point is called the vertex of the angle.
CAB
3 rays that are not on the same line.
An angle is a figure made up of two noncollinear rays with a common endpoint. The common endpoint is called the vertex, while the two noncollinear rays are called the sides of the angle.
21 - including one of 360 degrees.
4
it is an angle
An angle is the figure formed by two rays sharing a common endpoint, called the vertex of the angle.
Ten.Each angle is determined by two rays, so the answer is equivalent to the number of combinations of 2 out of 5 = 5*4/(2*1) = 10
An angle
An angle is formed when two rays begin at a common point. The common point is called the vertex of the angle.
CAB
An angle is formed between the two rays at the common end point.
angle
angle