Answer:
Angles 4, 5 and 8 are equal to 100 degrees.
Step-by-step explanation:
We have been given two parallel lines m and n that are cut by transversal l.
We know that when two parallel lines are cut by a transversal, then alternate interior angles, corresponding angles and alternate exterior angles formed are equal.
We can see that angle 4 and 100 degree angles are vertical angles, therefore, measure of angle 4 is equal to 100 degrees.
Angle 4 and angle 5 are alternate interior angles, therefore, measure of angle 5 is also 100 degrees.
Angle 8 and 100 degrees angle are alternate exterior angles, therefore, measure of angle 8 is also 100 degrees.
