Respuesta :

Answer:  8 meters (choice D)

Reason:

Use the pythagorean theorem to find the missing side.

[tex]a^2 + b^2 = c^2\\\\a^2 + 15^2 = 17^2\\\\a^2 + 225 = 289\\\\a^2 = 289-225\\\\a^2 = 64\\\\a = \sqrt{64}\\\\a = 8[/tex]