Number 13 on my integrated geometry test

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?