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anonymous

  • one year ago

URGENT PLEASE WILL FAN AND MEDAL What is the perimeter of the polygon in the diagram?

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  1. anonymous
    • one year ago
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    2\[2\sqrt{(a-b)^2}\] \[4(a+b)^2\] \[2(a^2+b^2)\] \[4\sqrt{a^2+b2}\]

  2. campbell_st
    • one year ago
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    I think you need to include a diagram

  3. anonymous
    • one year ago
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  4. anonymous
    • one year ago
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    sorry

  5. campbell_st
    • one year ago
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    so the shape is a rhombus find the length of the side by using pythagoras' theorem the shorter sides have lengths a and b then since all 4 sides are the same, multiply the answer from pythagoras' theorem by 4

  6. anonymous
    • one year ago
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    but the choices i included just dont make sense.

  7. anonymous
    • one year ago
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    which one is the correct pythagores therom

  8. campbell_st
    • one year ago
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    so pythagoras' theorem is \[c^2 = a^2 + b^2~~~so ~~~ c = \sqrt{a^2 + b^2}\] to find the perimeter, multiply by 4

  9. wil476003
    • one year ago
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    I I believe the the answer is the last one

  10. anonymous
    • one year ago
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    how do u know?

  11. wil476003
    • one year ago
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    Because the one above explained how I was going to explain it good job campbell_st

  12. campbell_st
    • one year ago
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    |dw:1437088718493:dw|

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spraguer (Moderator)
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