If angle 1 has a measure of 99 degrees and the lines are parallel, then angle 1 and angle 7 are corresponding angles. Corresponding angles formed by a transversal and parallel lines are congruent.
Therefore, angle 7 will also have a measure of 99 degrees.
Similarly, angle 1 and angle 5 are vertical angles. Vertical angles are congruent, so angle 5 will also have a measure of 99 degrees.
For the illustration shown if angle 1 has a measure of
99
99 degrees and the lines shown are parallel determine
Measure of angle 7
degrees
Measure of angle 5
degrees
1 answer
9 answers