An airplane flies from City A in a straight line to City B, which is 70 kilometers north and 140 kilometers west of City A. How far does the plane fly?

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  1. This looks like a problem for Pythagoras.

    a^2 + b^2 = c^2

    70^2 + 140^2 = c^2

    4,900 + 19,600 = c^2

    24,500 = c^2

    156.52 = c

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    Ms. Sue
  2. An airplane flies from City A in a straight line to City B, which is 60 kilometers north and 180 kilometers west of City A. How far dos the plane fly? (Round your answer to the nearest

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