Respuesta :

Answer:

A: 9 (D)       B: 7 (D as well)

Step-by-step explanation:

Answer: Part A is C.

Step-by-step explanation:

use Pythagoras so [tex]a^{2} + b^{2} = c^{2}[/tex]

[tex]5^{2} + 4^{2} = \sqrt{41}[/tex]