Answer:
84.85
Step-by-step explanation:
[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]
[tex] {60}^{2} + {60}^{2} = {c}^{2} \\ 3600 + 3600 = {c}^{2} \\ 7200 = {c}^{2} [/tex]
now we should find the square root of 7200 to find c
[tex] \sqrt[]{7200} = 85.85.....[/tex]