A 5 8 and b (- 1 4 July 8, 2019 16 32 64 128 A 5 8 and b (- 1 4 midpoint If a 1 3 5 8 and b 2 4 then A 5 1 b 1 4 and c 8 5 are the coordinates A is the point 8 5 and b is the point (- 4 1 A is the point (8 5) and b is the point (-4 1) calculate the length of ab
