use the pythagorean theorem a.k.a[tex] {a}^{2} + {b}^{2} = {c}^{2}[/tex] c is the hypotenuse while a & b are the legs [tex]{15}^{2} + {b}^{2} = {17}^{2} [/tex] [tex]225 + {b}^{2} = 289[/tex] subtract 225 from 289 [tex] {b}^{2} = 64[/tex] square root both b and 64 the other leg is equal to 8
