Question

hola,ayuda por favor!

Answer 1

105° + 45° - 180 = α
30 = α 

$\frac{ a }{sen \alpha } = \frac{b}{ sen \beta }$

$\frac{6m * sen 45}{sen 30}$ = 8.49m aproximado

$\frac{a}{sen \alpha } = \frac{c}{sen O}$

$\frac{6m * sen 105}{sen 30}$ = 11.59 m