Algebra

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A 12ft tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 18 ft

. Find the length of the shadow.

  • Algebra -

    This sounds like a job for Pythagoras.

    12^2 + b^2 = 18^2

    144 + b^2 = 324

    b^2 = 180

    b = 13.4

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