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anonymous

  • 5 years ago

the volumes of two similar pyramids are 27 and 64. If the smaller has lateral area of 18, find the lateral area of the larger

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  1. anonymous
    • 5 years ago
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    k = ratio of the sides of the bases = ratio of the heights. k^2 = ratio of the areas k^3 = ration of the volumes

  2. anonymous
    • 5 years ago
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    volume of a pyramid = (1/3)(base)(height) = (1/3)bh

  3. anonymous
    • 5 years ago
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    ratio of the volumes is 27:64, so k = 3/4 k^2 = 9/16 so if the smaller pyramid has area of 18, then the larger pyramid has area of 32

  4. anonymous
    • 5 years ago
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    get it?

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