AB/AC = sin60'
15/AC = sqrt(3)/2
AC = 10 sqrt(3) - nakl. obraz.
BC/AC = cos60'
BC/10Sqrt(3) = 1/2
BC = 5 sqrt(3) - proekcia
AB/AC = sin60'
15/AC = sqrt(3)/2
AC = 10 sqrt(3) - nakl. obraz.
BC/AC = cos60'
BC/10Sqrt(3) = 1/2
BC = 5 sqrt(3) - proekcia