Răspuns:
Explicație pas cu pas:
∡=C = 180°-90°-60°
∡C=30°→[AB]=[BC] / 2 ={AD} =6cm →[BC]=6*2→[BC } =12 cm
AC²=BC²-AB²=144-36=108
AC=√108
AC= 6√3
-
x= ceapa
3x=cartofii
x+170= varza
x+3x+x+170=1250
5x=1250-170
5x=1080
x=1080:5
x=216 kg ( CEAPA )
3*x=216*3
3x=648 ( CARTOFI )
X+170=216+170=386 ( VARZA )
