# Answer to Question #25346 in Geometry for Bobby

Question #25346

How to calculate distant using three coordinates?

Expert's answer

Suppose you need to calculate the distance between two points, each of the points has three coordinates. Say, A(x1,y1,z1) and B(x2,y2,z2). There's the following formula: AB=sqrt((x2-x1)^2+(y2-y1)^2+(z2-z1)^2). That's how to calculate distance in three-dimensioned space (i.e. having three coordinates for each point).

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