AC = 2*AK = 2*8 = 16;
ВС = 2*BR = 2*7 = 14;
AB = 2*RK = 2*6 = 12; (RK - средняя линия)
P(ABC) = BC + AC + AB = 14 + 16 + 12 = 42
AC = 2*AK = 2*8 = 16;
ВС = 2*BR = 2*7 = 14;
AB = 2*RK = 2*6 = 12; (RK - средняя линия)
P(ABC) = BC + AC + AB = 14 + 16 + 12 = 42
ВС=2*ВR=2*7=14;
AB=2*RK=2*6=12;(RK-средняя линия)
P(ABC)=BC+AC+AB=14+16+12=42