Respuesta :

Explanation:

[tex]Distance = \sqrt{ {(1 - 2)}^{2} + {( - 6 + 8)}^{2} } [/tex]

[tex] = \sqrt{ {1}^{2} + {2}^{2} } [/tex]

[tex] = \sqrt{1 + 4} [/tex]

[tex] = \sqrt{5} [/tex]