Question

Explanation needed...

Answer 1

hey here is your answer

Answer 2

$\sqrt{248 + \sqrt{52 + \sqrt{144} } } = \sqrt{248 + \sqrt{52 + 12} } = \sqrt{248 + \sqrt{64} } = \sqrt{248 + 8} = \sqrt{256} = 16$
here is your answer , hope it may help you mate.