Respuesta :

Given: A square gate with a side length is 5 ft

The diagonal of the square = x

Using Pythagorean theorem:

[tex]x=\sqrt[]{5^2+5^2}=\sqrt[]{5^2\cdot2}=5\sqrt[]{2}[/tex]

so, the answer is: the length of brace = 5v2 feet

Approximately = 7.1 feet

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