Answer:5) a) complementary 6) b) supplementary 7) c) vertical anglesStep-by-step explanation:5)The sum of the complementary angles = 90 degreesAccording to the graph, both angles add up to 90 degreesAnswer: a) complementary 6)Straight angle is equal 180 degreesThe sum of the supplementary angles = 180 degreesAnswer: b) supplementary 7) Vertical Angles are the angles opposite each other when two lines cross. The vertical angles are congruent.Answer: c) vertical angles