Respuesta :

mathstudent55

Answer:

8

Step-by-step explanation:

a² + b² = c²

c² = a² + b²

c² = 5² + (√39)²

c² = 25 + 39

c² = 64

c = 8
The answer is 8.

√39^2 + 5^2 = c^2
39 + 25 = c^2
√64 = √c^2
8 = c

There you go! I hope I helped you.