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ashleylynn Group Title

A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? a. 78 ft b. 78 ft2 c. 198 ft d. 198 ft2

  • one year ago
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  1. cwrw238 Group Title
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    |dw:1348682450714:dw|

    • one year ago
  2. cwrw238 Group Title
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    can you work this out from diagram? peerimeter = sum of the outer 4 sees

    • one year ago
  3. cwrw238 Group Title
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    * 4 sides

    • one year ago
  4. ashleylynn Group Title
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    I don't get any of this I need help like step by step @cwrw238

    • one year ago
  5. ashleylynn Group Title
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    @Unknown11

    • one year ago
  6. cwrw238 Group Title
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    each length = 3 + 15 + 3 each width = 3 + 12 + 3 there are 2 lengths and 2 widths add these up to get the perimeter

    • one year ago
  7. mranderson1 Group Title
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    A

    • one year ago
  8. ashleylynn Group Title
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    39 ? @cwrw238 L=21 W=18 21+18=39

    • one year ago
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