Problem: if the sides of a cube are in the ratio 9 : 5 . what is the ratio of their diagonals ?
Rationale: "explanation : diagonal of a cube = a √ 3 where a is side a 1 : a 2 = 9 : 5 d 1 : d 2 = 9 : 5 where √ 3 cancelled both side answer : a"
annotated_formula: divide(9, 5)