Question

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

Answer 1

Hey friend here's your ans from India..

Answer 2

$a {}^{2} + b { }^{2} = c {}^{2}$
${7}^{2} + b {}^{2} = 14 {}^{2}$
$49 + b {}^{2} = 196$
subtract 49 from both sides

$b {}^{2} = 147$
take the square root of both sides
$b = 7 \sqrt{3}$