Question

You can get the max points i can give for this :)

Answer 1

`{a}^(2) + {b}^(2) = {c}^(2) \\ {a}^(2) + {9}^(2) = {17}^(2) \\ {a}^(2) = 289 - 81 \\ {a}^(2) = 208 \\ a = 14.42cm`