Respuesta :

Answer:

c=25

Step-by-step explanation:

To find the hypotenuse, you have to use a squared + b squared = c squared

So it would be,

15 squared + 20 squared = c squared

225 + 400 = 625

Since the answer is squared you have to find the square root

The square root of 625 is 25

So the c-=25