Question

Calcule x:
Me Ajuda Por Favor​​​

Answer 1

$\Large\boxed{\begin{array}{l}\tt a)\\\underline{\rm Observe~a~figura~que~eu~anexei.}\\\sf \triangle CEF\sim\triangle ABC\\\sf \dfrac{x}{4}=\dfrac{6}{3}\\\\\sf\dfrac{x}{4}=2\\\\\sf x=4\cdot2\\\sf x=8\end{array}}$

$\Large\boxed{\begin{array}{l}\tt b)\\\underline{\rm Observe~a~figura~que~eu~anexei}\\\sf \triangle CEF\sim\triangle ABC\\\sf\dfrac{x}{5}=\dfrac{6}{4}\\\sf 4x=5\cdot6\\\sf 4x=30\\\sf x=\dfrac{30\div2}{4\div2}\\\\\sf x=\dfrac{15}{2}\end{array}}$

$\Large\boxed{\begin{array}{l}\tt c)\\\underline{\rm Observe~a~figura~que~eu~anexei}\\\sf\triangle ABC\sim\triangle ADE\\\sf\dfrac{x}{24}=\dfrac{10}{18}\\\\\sf 18x=240\\\sf x=\dfrac{240}{18}\\\\\sf x=\dfrac{40}{3}\end{array}}$

$\boxed{\begin{array}{l}\tt d)~\rm faltam~dados~para~calcular~x\end{array}}$