Respuesta :

82^2= 80^2+ x^2

x^2= 6724-6400
x^2=324
x=18

so option 1 is correct

Answer

18

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Detailed explanation

[tex] 82^{2} = 6724 [/tex]

[tex] 80^{2} = 6400 [/tex]


We would simply need to subtract the numbers above.


6724-6400= 324


Now, we would need to square root 324.

[tex] \sqrt{324}=18 [/tex]


Hence, that is how 18 would be the answer.

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