Question

please answer step by step ​

Answer 1

Answer:

16

Step-by-step explanation:

root 144 = 12

12 + 52 = 64

root 64 = 8

248 + 8 = 256

root 256 = 16

hence answer is 16

Answer 2

Answer:

16

Step-by-step explanation:

$\sqrt{248 + \sqrt{52 + \sqrt{144\\} } } \\=\sqrt{248 + \sqrt{52 + 12\\\\} } } \\\\\sqrt{248 + \sqrt{64\\} } } \\\\\sqrt{248 + 8}\\\\\sqrt{256} \\\\\\\\= 16$