I have to convert decimal to percent

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

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