Respuesta :

Answer:

18.3

Step-by-step explanation:

a^2 + b^2 = c^2

We can call the unknown side x. The hypotenuse (25) is c.

Knowing this, you know that x^2 + 17^2 = 25^2.

Now simpify!

x^2 + 289 = 625

Subtract 289 from both sides:

x^2 = 338

Now take the square root of 338 which is 18.3 rounded to the nearest tenth.

Hope this helped! :)