Respuesta :
Answer:
The third side would be 4
Step-by-step explanation:
A common Pythagorean triple would be 3, 4, 5. You can also find this using the Pythagorean Theorem with 5 being the hypotenuse.
a^2 + b^2 = c^2
3^2 + b^2 = 5^2
9 + b^2 = 25
b^2 = 16
b = 4