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8th grade math

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Two towers are similar. The area of the larger tower is 400 pi ft^2 and the area of the smaller tower is 169 pi ft^2. What is the ratio of the heights of the towers?

  • 8th grade math -

    similar? Normally, when we gauge similarity, we speak of distances. But the base areas are a square of distance, so

    h1/h2=sqrt (A1/A2) so figure the square root of the ratio of areas, and you have it.

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