Two parallel lines are intersected by a third line, which is perpendicular to the first parallel line. The value of another angle made by the intersecting lines is

`_________`

.Two parallel lines are intersected by a third line, which is perpendicular to the first parallel line. The value of another angle made by the intersecting lines is

`_________`

.Detailed Explanation

If the first line is intersected and forms a 90 degree angle, that means that all other angles formed from the intersected line are also equal to 90 degrees.