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SAT, 16.12.2021 18:30 chafinh9317
In triangle $def,$ $\angle d = 30^\circ,$ $\angle f = 60^\circ,$ and $ef = 6. $ find $de + df. $ [asy] unitsize(2 cm); pair d, e, f; d = (0,sqrt(3)); e = (0,0); f = (1,0); draw(d--e--f--cycle); label("$d$", d, n); label("$e$", e, sw); label("$f$", f, se); label("$6$", (e + f)/2, s); [/asy].
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In triangle $def,$ $\angle d = 30^\circ,$ $\angle f = 60^\circ,$ and $ef = 6. $ find $de + df. $ [as...
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