Question

calcule
$\sqrt{ {3}^{2} } + {4}^{2}$
$\sqrt{ {10}^{2} } - {8}^{2}$
C.D

Answer 1

$\sqrt{ {3}^{2} } + {4}^{2} = 3 + 16 = 19 \\ \\ \sqrt{ {10}^{2} } - {8}^{2} = 10 - 64 = - 54$