Alternate Angles are a pair of nonadjacent angles on opposite sides of a transversal that cuts two lines.
+
Alternate Angles are a pair of nonadjacent [[angle]]s on opposite sides of a transversal that cuts two [[line]]s.
−
The angles can be both exterior or both interior to the two lines. '''Interior alternate angles''' are inside the parallel lines, and on opposite sides of the transversal. '''Exterior alternate angles''' are outside the parralel lines and on opposite sides of the transversal.
+
The angles can be both exterior or both interior to the two lines. '''Interior alternate angles''' are inside the [[parallel]] lines, and on opposite sides of the transversal. '''Exterior alternate angles''' are outside the parralel lines and on opposite sides of the transversal.