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luisz

  • 3 years ago

Linda joined cardboard pieces to make a square pyramid, as shown below. If the dimensions of the pyramid are made four times greater, which statement is true about the surface area of the new pyramid?

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  1. luisz
    • 3 years ago
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    A square pyramid is shown with length of the square base sides equal to 9 inches and the altitude of one of the lateral triangular faces as 6 inches.

  2. dpaInc
    • 3 years ago
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    waiting for the pic...

  3. luisz
    • 3 years ago
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    Anything?

  4. dpaInc
    • 3 years ago
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    usually it takes a while like the previous ones.. but still nothing...:(

  5. luisz
    • 3 years ago
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    hmm

  6. luisz
    • 3 years ago
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    I might have an idea.

  7. luisz
    • 3 years ago
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    Volume of a pyramid=1/3bh

  8. luisz
    • 3 years ago
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    The base is 9 while the slant height is 6

  9. luisz
    • 3 years ago
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    54/3=18

  10. luisz
    • 3 years ago
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    If the dimensions were multiplied by 4, then the base would be 36 and the height would be 24

  11. luisz
    • 3 years ago
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    36 times 24=864/3=288

  12. luisz
    • 3 years ago
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    288/18=16!!!!!!!!!!

  13. luisz
    • 3 years ago
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    It will be sixteen times the original pyramid’s surface area.

  14. luisz
    • 3 years ago
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    I got this one, sir.

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