What is the measure of ∠r ?

enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.
m∠r= °

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?