Question

Find the length of side x in simplest radical form with a rational denominator.

Answer 1

Answer:

$x = 2 \sqrt{5}$

Step-by-step explanation:

$\sin \: 30 \degree = \frac{ \sqrt{5} }{x} \\ \\ \frac{1}{2} = \frac{ \sqrt{5} }{x} \\ \\x = 2 \sqrt{5}$