Respuesta :

Answer:

So ofc it's third

Step-by-step explanation:

You'll need to use the Pythagorean theorem:

a²+b²=c²

36² + 15² = c²

1296 + 225 = c²

1521 = c²

[tex]\sqrt{x} 1521\\[/tex] = 39

the answer is D 13/n=12/36