Question

Plsssssss helppppppppp

Answer 1

use this formula:
${a}^{2} + {b}^{2} = {c}^{2}$
you know A and B
a=12 ft and b=12ft, so:
${12}^{2} + {12}^{2} = {c}^{2}$
$144 + 144 = 288$
${c}^{2} = 288$
$c = \sqrt{288} = rounded \: 17ft$