An arc of a circle measures 30 centimeters and the radius measures 10 centimeters. in radians, what is the measure of the central angle that subtends the arc?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.