Respuesta :

Answer:

17.1

Step-by-step explanation:

Substitute 3 in place of x first, find the last side of the triangle using the Pythagorean theorem.

2x = 2*3 = 6

5x+1 = 5*3+1 = 16

[tex]a^{2} +b^{2} =c^{2} \\\\6^{2} +16^{2} =c^{2}\\17.1 = c[/tex]

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