AB=5 AC=8 BC=3 BD=4BC=12 AB=5 DB - AB=DA=7
CD= DA+AB+BC=7+5+3=15
DE= 1/2DA=7.5 AE=DE - DA=7.5-7=0.5
D--------------A-E----------B------C
CD=15 AE=0.5
AB=5 AC=8 BC=3 BD=4BC=12 AB=5 DB - AB=DA=7
CD= DA+AB+BC=7+5+3=15
DE= 1/2DA=7.5 AE=DE - DA=7.5-7=0.5
D--------------A-E----------B------C
CD=15 AE=0.5