Question

calcule o valor de x nos triângulos retângulos

Answer 1

Usando Pitágoras:
${a}^{2} = {b}^{2} + {c}^{2}$

A)
${(2x)}^{2} = {x}^{2} + {(3 \sqrt{3)} }^{2} \\ x = 13.5$

B)
${(x + 5)}^{2} = {(x + 3)}^{2} + {6 }^{2} \\ x = \frac{20}{19}$