To find side $ x $ use Pythagorean Theorem:
$$ h^2 + x^2 = c^2 $$After substituting $ h = 2 $ and $ c = 2 $ we have:
$$ 2^2 + x^2 = 2^2 $$ $$ x^2 = 2^2 - 2^2 $$ $$ x^2 = 4 - 4 $$ $$ x^2 = 0 $$This equation has no solution $ \Longrightarrow $ The problem has no solution.