Answer:
any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal.
This is a 3 to 2 ratio. So in this case you need 180g
<span>4 people seated on a row may have 4! = 4x3x2x1 = 24 different ways to sit.</span>
All my work is shown in the image.
