Question

AJUDEM PFVVVVVVVVVVVVVVVV DESESPERADA AQUIIIII

Answer 1

Resposta:

$tg30=\frac{20}{h} \\ \\ \frac{\sqrt{3} }{3}=\frac{20}{h}\\ \\ h=\frac{3.20}{\sqrt{3} }$

$h=\frac{60}{\sqrt{3} }.\frac{\sqrt{3} }{\sqrt{3} }\\ \\ h=\frac{60.\sqrt{3} }{\sqrt{9} } \\ \\ h=\frac{60.\sqrt{3} }{3}\\ \\ h=20.\sqrt{3}$

bons estudos!