Răspunsuri

2014-05-11T20:04:16+03:00


C=30 grade

sinC=AB/BC

1/2=AB/6

AB=6/2

Ab=3 cm

sper ca te-am ajutat

1 5 1
2014-05-11T20:07:26+03:00
Cos 60g = cat.alăt.(AB)/ip.(BC)
1/2 = AB/6 ⇒ AB×2 = 6 ⇒ AB = 6/2 = 3