Given: x1=1 y1=2 x2=-1 y2=-2
Distance Formula: d = √(x2 – x1)2 + (y2 – y1)2
d = √(-1 – 1)2 + (-2 – 2)2
d = √(-2)2 + (-4)2
d = √4 + 16
d = √20
d = √4 * √5
d = 2√5 = 4.472136
The distance between (1, 2) and (-1, -2)
The solution above and other related solutions were provided by the Distance Between Two Points Application.