sin A = √(1-0.8²) = √0.36 = 0.6
BC/AB = sin A
6/AB = 0.6
AB = 10
AC/AB = cos A
AC/10 = 0.8
AC = 8
P(ABC)= AB+AC+CB = 10+8+6 = 24 (см)
sin A = √(1-0.8²) = √0.36 = 0.6
BC/AB = sin A
6/AB = 0.6
AB = 10
AC/AB = cos A
AC/10 = 0.8
AC = 8
P(ABC)= AB+AC+CB = 10+8+6 = 24 (см)