Respuesta :

sqdancefan

Answer:

  15.62

Step-by-step explanation:

The Pythagorean theorem tells you the relation between the side lengths is ...

  x^2 = 12^2 + 10^2 . . . the sum of squares of sides is the square of the hypotenuse

  x^2 = 244

  x = √244 ≈ 15.62