Respuesta :

use this formula:
[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]
you know A and B
a=12 ft and b=12ft, so:
[tex] {12}^{2} + {12}^{2} = {c}^{2} [/tex]
[tex]144 + 144 = 288[/tex]
[tex] {c}^{2} = 288[/tex]
[tex]c = \sqrt{288} = rounded \: 17ft[/tex]
Ver imagen Ster007