A(1, 1);B(2,3);C(5,2);D(3,0) For Fig 1 AB=√1+4=√5 BC=√9+1=√10 CD=√4+4=√8 then AB + BC +CD = 8.22 For Fig 2 AB = 1; BC = 2; CD =√10; DE =√8 AB + BC + CD + DE = 8.99 For Fig 3 AB =√5; BC = 2; CD =√5; DE =√5 AB + BC + CD + DE = 8.70 For Fig 4 AB = 1; BC = 2; CD =√13; DE =√5 AB + BC + CD + DE = 8.841