Answer:
58.6
Step-by-step explanation:
Use the formula [tex]c=\sqrt{a^{2}+b^{2}[/tex]
solving for x (b)
[tex]b=\sqrt{c^{2}-a^{2}[/tex] = [tex]\sqrt{61^{2}-17^{2}[/tex] ≈58.58327
and 58.58327 rounds to 58.6
