Question

Find the value of x. If necessary, write your answer in simplest radical form.
(Simplify your answer. Type an exact answer, using radicals as needed.)

Answer 1

Answer:

$x=\sqrt{6}$

Step-by-step explanation:

To find the hypotenuse, it is $a^{2}+b^{2}=c^{2}$

So...

$1^{2}+x^{2} =\sqrt{7}\\1+x^{2} =\sqrt{7} \\x=\sqrt{6}$