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Other Lupi Lucia
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Se tiene los puntos consecutivos: “A”; “B”; “C” y “D”. Si: AC = 21 m ; BD = 28 m y AD = 30 m, calcular: “BC”

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Answer:

* AC + CD = AD

   21 + CD = 30

           CD = 9

* AB + BD = AD

  AB + 28 = 30

           AB = 2

* AB + BC = 21

    2 + BC = 21

      | BC = 19 |

"BC" = 19m

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