Question

Calcule a medida de x

Me ajudaaaaa

Answer 1

$\large\boxed{\begin{array}{l}\sf cateto^2=hipotenusa\cdot projec_{\!\!,}\tilde ao\\\sf16^2=18\cdot x\\\sf 18x=256\\\sf x=\dfrac{256}{18}\\\huge\boxed{\boxed{\boxed{\boxed{\sf\maltese~alternativa~e}}}}\end{array}}$