Respuesta :

Answer:

x = 5

Step-by-step explanation:

13^2 - 12 ^2 = x^2

169 - 144 = x^2

25 = x^2

[tex]\sqrt{25} = \sqrt{x^2}[/tex]

x = 5

akbusiness987

Answer:

x = 5

Step-by-step explanation:

12² + x² = 13²

144 + x² = 169

144 - 144 + x² = 169 - 144

x² = 25

√x² = √25

x = 5

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