PQR is a right-angled triangle. Work out the size of angle PQR.
Give your answer correct to 1 decimal place.
Total marks: 3

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.