Question

the condition for two straight line are parallel called ............

Answer 1

Answer:

Alternate angle test

Corresponding.........

Interior.............

Answer 2

Answer:

Two lines are parallel if they have the same slope, or if they are both vertical. Try this Drag any of the 4 points below to move the lines. Note they are parallel when the slopes are the same. When two straight lines are plotted on the coordinate plane, we can tell if they are parallel from the slope, of each line.