Respostas

2014-03-03T21:04:24-03:00
Sen= \frac{co}{h}                   
sen48= \frac{x}{6}
0,74= \frac{x}{6}
x=4,44

cos= \frac{ca}{h}
cos48= \frac{y}{6}
0,66= \frac{y}{6}
y=4,01