Respuesta :

Answer:

  the distance is 2·|a|

Step-by-step explanation:

The distance from "a" to the origin is |a|. And, the distance from the origin to -a is the same distance, so the distance between -a and a is ...

  2·|a|

(This is true in any one-, two-, or three-dimensional Euclidean geometry we usually study.)

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