Question

N sei nem q conta e essa

Answer 1

Resposta:

${10}^{2} = {6}^{2} + {x}^{2} \\ 100 = 36 + {x}^{2} \\ {x}^{2} = 100 - 36 \\ {x}^{2} = 64 \\ x = \sqrt{64} \\ x = 8$