Respuesta :

Creati
Hey there! :)

You have to use the Pythagorean Theorem.

a² + b² = c² is the same as c² - a² = b²

c = 11
11² = 11 × 11 = 121

a = 6
6² = 6 × 6 = 36

121 - 36 = 85

√85 = 9.2

b = 9.2

Hope this helps :)