248+52+144=\sqrt{248 +\sqrt{52+\sqrt{144}}}=248+52+144= A14B18.8C16.6D16Answer: D. 16 Read Explanation: 248+52+144\sqrt{248 +\sqrt{52+\sqrt{144}}}248+52+144=248+52+12=\sqrt{248+\sqrt{52+12}}=248+52+12=248+64=\sqrt{248+\sqrt{64}}=248+64=248+8=\sqrt{248+8}=248+8=256=\sqrt{256}=256=16=16=16 Read more in App