Respuesta :

alinorth01

Answer:

8.9

Step-by-step explanation:

Use the Pythagorean Theorem (a^2 + b^2 = c^2)

a = 4

b = 8

c^2 = 4^2 + 8^2

c^2 = 16 + 64

c^2 = 80

c = sqrt(80)

c = 8.9443

to the nearest tenth = 8.9

Hope this helps!