Question

Veja a imagem e responda pf

Answer 1

$\frac{h}{40} =tg30\\\\ \frac{h}{40} = \frac{ \sqrt{3} }{3} \\\\ h = \frac{40 \sqrt{3} }{3} = 23,09 m$
23,09 m + 1,68 m = 24,77 metros
Alternativa d)