Question

Teorema de Pitágoras​

Answer 1

${10}^{2} = {x}^{2} + { (\frac{8}{2} )}^{2} \\ 100 = {x}^{2} + 16 \\ {x}^{2} = 100 - 16 \\ {x}^{2} = 84$

$x = \sqrt{84} \\ x = \sqrt{17.4} = 2 \sqrt{17}$