Pair of angles that lie on opposite sides and at opposite ends of a transversal (a line that cuts two or more lines in the same plane). The alternate angles formed by a transversal of two parallel lines are equal
Found on
https://www.encyclo.co.uk/local/21221
two nonadjacent angles made by the crossing of two lines by a third line, both angles being either interior or exterior, and being on opposite sides of the third line.
Found on
https://www.infoplease.com/dictionary/alternate-angles
No exact match found.
