KE^2=ME*EN, ME=KE^2/EN=36/8=4/5.
MN=ME+EN=4/5+8=12/5
KN^2=MN*EN=12/5*8=100, KN=10
MK^2=MN*ME=12/5*4/5=56/25, MK=7.5
KE^2=ME*EN, ME=KE^2/EN=36/8=4/5.
MN=ME+EN=4/5+8=12/5
KN^2=MN*EN=12/5*8=100, KN=10
MK^2=MN*ME=12/5*4/5=56/25, MK=7.5