Question

Use the Pythagorean Theorem to find x, in simplest radical form. Help please!

Answer 1

`a {}^(2) + b { }^(2) = c {}^(2)`

`{7}^(2) + b {}^(2) = 14 {}^(2)`

`49 + b {}^(2) = 196`
subtract 49 from both sides


`b {}^(2) = 147`
take the square root of both sides

`b = 7 √(3)`

Answer 2

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