graph of a downward opening parabola with x-intercepts and , and y-intercept .

For each of the following pairs of angles, answer

ai if they are alternatate interior angles.,
ae if they are alternatate exterior angles.,
ci if they are consecutive interior angles.,
co if they are corresponding angles.,

a) The angles labelled 1 and 7 are

b) The angles labelled 7 and 3 are

c) The angles labelled 5 and 6 are

You can earn partial credit on this problem.