Proportional relationship (3,18) (4,25) (6,38) (7,44)

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Ineed to know the answer to this algebra question.