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anonymous

  • 5 years ago

The solid is similar to a larger solid with the given scale factor, find the surface area and volume of the larger solid. 1) Cylinder: scale factor 1:2, SA=208pi in^2, V=320pi in^3 2)rectangle: scale factor 1:3, SA= 398in^2, V= 495in^3 3) cone: scale factor 3:4, SA=96pi cm^2, V=96pi cm^3

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  1. anonymous
    • 5 years ago
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    i dont understand how to solve these

  2. anonymous
    • 5 years ago
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    Its dealing with ratios. So you first have to know what the ratio are. It is given here in these problems.

  3. anonymous
    • 5 years ago
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    in the first problem the ratio is 1:2.

  4. anonymous
    • 5 years ago
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    what does that mean? It means that the size of the second object is going to be twice of that of the first.

  5. anonymous
    • 5 years ago
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    so the new ratio would be 4:8

  6. anonymous
    • 5 years ago
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    so the surface area is given as 208Pi^2

  7. anonymous
    • 5 years ago
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    that is of the one you are comparing it with

  8. anonymous
    • 5 years ago
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    ok

  9. anonymous
    • 5 years ago
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    i still dont know what to do

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spraguer (Moderator)
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