Respuesta :

a² + b² = c²

11² + 9² = c²

121 + 81 = c²

202 = c²

√202 = c

14.2126704035518955 = c

Rounded 14.2126704035518955 ≈ 14.2

I hope this helps. (:


a^2+b^2=c^2
11^2+9^2=c^2
121+81=c^2
202=c^2
square root(202)
14.21=c