Respuesta :

KurdishPotato

Answer:

6

Step-by-step explanation:

The value of the square length of the hypotenuse is equal to sum of the square length of the two legs: let x represent the missing side

[tex]\sqrt{} 85^{2}[/tex] = 7^2 + x^2 calculate the powers

85 = 49 + x^2 subtract 49 from both sides

36 = x^2 find the root of the both sides

6 = x

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