Respuesta :

ni20479

Answer:

13

Step-by-step explanation:

Use Pythagorean theorem:

5^2+12^2=x^2

25+144=x^2

x^2=169

x=13

So, 13.

thuytrannguyen2305

Answer:

x = 13

Step-by-step explanation:

Equation:

a² + b² = c²

Solved:

5² + 12² = c²

       ↓

25 + 144 = c²

       ↓

       169 = c²

    [tex]\sqrt{169}[/tex] = c

Use the calculator to square it.

13 = c

13 = x