math help

on a drive through allegheny county, natalie drove due west for 9 miles, then turned left and proceeded to drive due south. after traveling 12 miles south, what was the straight line distance between where natalie started and where she ended her drive?

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  1. It's time for the Pythagorean Theorem! You need to find the hypotenuse of this right triangle.

    a^2 + b^2 = c^2

    9^2 + 12^2 = c^2
    81 + 144 = c^2
    225 = c^2
    15 = c

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    Ms. Sue
  2. On a drive through Allegheny County Natalie drove due west for 9 miles, then turned left and proceeded to drive due south. After traveling 12 miles south, what was the straight line distance between where Natalie started and where she ended her drive?

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  3. Dhejdje

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  4. 21 miles

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