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Annie96

  • one year ago

Find the perimeter of the figure. Round your answer to the nearest tenth.

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  1. Annie96
    • one year ago
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  2. dessyj1
    • one year ago
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    Hi.

  3. Annie96
    • one year ago
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    Hi.

  4. dessyj1
    • one year ago
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    Which figure, the purple one, or the dotted one?

  5. dessyj1
    • one year ago
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    Or is it the whole thing?

  6. Annie96
    • one year ago
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    I got the area I just need the perimeter.

  7. dessyj1
    • one year ago
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    I am trying to figure out which perimeter you need. |dw:1438403519252:dw|

  8. dessyj1
    • one year ago
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    |dw:1438403577247:dw|

  9. Annie96
    • one year ago
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    number 2

  10. dessyj1
    • one year ago
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    Ah, okay.

  11. dessyj1
    • one year ago
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    It seems like you are missing one side in order to find the perimeter then.

  12. dessyj1
    • one year ago
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    You need to use the Pythagorean theorem.

  13. triciaal
    • one year ago
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    The figure is the shaded section. the perimeter is the sum of the lengths all around. yes you need to find the other length first by using Pythagorean theorem.

  14. rhr12
    • one year ago
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    54 yd

  15. rhr12
    • one year ago
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    as i think because the formula is a+b+c

  16. rhr12
    • one year ago
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    Get it?

  17. Annie96
    • one year ago
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    the area is 58.5yd^2

  18. triciaal
    • one year ago
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    to the nearest tenth means to one decimal place. calculate to 2 places then round.

  19. dessyj1
    • one year ago
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    |dw:1438403916404:dw| a^2=b^2=c^2

  20. Annie96
    • one year ago
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    is it 452

  21. triciaal
    • one year ago
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    |dw:1438404030449:dw|

  22. Annie96
    • one year ago
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    thank you all so much for your help.

  23. triciaal
    • one year ago
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    do you have the area because you should use Hero's formula?

  24. Annie96
    • one year ago
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    yes i said it was 58.5yd^2

  25. triciaal
    • one year ago
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    I know you said that! I am asking why? there are different ways to do a particular problem.

  26. triciaal
    • one year ago
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    |dw:1438404498181:dw|

  27. Annie96
    • one year ago
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    okay thank you

  28. triciaal
    • one year ago
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    you are welcome

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