Respuesta :

Answer:

D. 9.5

Step-by-step explanation:

x is the altitude of the right triangle.

Thus, we would apply the right triangle altitude theorem, which is:

h = √(ab)

Where,

h = x

a = 7

b = 13

Plug in the values

x = √(7*13)

x = √91

x = 9.5 units (nearest tenth)