What is the distance between (-2,1,-7) and (11,5,-3)?

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Rijpv7 · Accepted Answer

using the 3-dimensional version of the                             distance formula                  d    =                                        (                          x              2                        -                          x              1                        )                    2                +                              (                          y              2                        -                          y              1                        )                    2                +                              (                          z              2                        -                          z              1                        )                    2                                let                     (              x        1            ,              y        1            ,              z        1            )        =          (      -      2      ,      -      1      ,      -      7      )                     and                         (              x        2            ,              y        2            ,              z        2            )        =          (      11      ,      5      ,      -      3      )            d    =                                        (            11            +            2            )                    2                +                              (            5            +            1            )                    2                +                              (            -            3            +            7            )                    2                                        d              =                  169        +        36        +        16              =          221        ≈    14.87

What is the distance between (-2,1,-7) and (11,5,-3)?

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