Respuesta :

qabtt
In this case, we will use our Pythagorean Theorem.

a = 84
b = 13
c = x

[tex]\sqrt{84^2 + 13^2} = 85[/tex]

Thus, x = 85.

[tex] {x}^{2} = {13}^{2} + {84}^{2} \\ {x}^{2} = 169 + 7056 = 7225 \\ x = \sqrt{7225} = 85[/tex]