AB = sqrt((1+2)^2+(4-2)^2)=sqrt(13)
AC = sqrt(2^2+2^2) = 2*sqrt(2)
BC = sqrt(1^2+4^2) = sqrt(17)
AK = KB
K(-0,5;3);
CK = sqrt(3^2+(-0.5)^2)=sqrt(9,25)
AM = MC
M(-1;1)
BM = sqrt((1+1)^2+(4-1)^2) = sqrt(13)
BN = NC
N(0,5;2)
AN = sqrt((0,5+2)^2+(2-2)^2) = 2,5
AB = sqrt((1+2)^2+(4-2)^2)=sqrt(13)
AC = sqrt(2^2+2^2) = 2*sqrt(2)
BC = sqrt(1^2+4^2) = sqrt(17)
AK = KB
K(-0,5;3);
CK = sqrt(3^2+(-0.5)^2)=sqrt(9,25)
AM = MC
M(-1;1)
BM = sqrt((1+1)^2+(4-1)^2) = sqrt(13)
BN = NC
N(0,5;2)
AN = sqrt((0,5+2)^2+(2-2)^2) = 2,5