Question

Number 6. I have no idea how to do this because the question doesn’t give enough information

Answer 1

`{13}^(2) = {5}^(2) * {b}^(2) \\ 169 = 25 * {b}^(2) \\ 165 - 25 = {b}^(2) \\ 144 = {b}^(2) \\ \sqrt{ {b}^(2) } = √(144) \\ b = 12`