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anonymous

  • 4 years ago

PQRS is a diameter of a circle of radius 6cm. the lengths PQ , QR , and RS are equal .Semicircles are drawn on PQ and QS as diameters. Find the perimeter of the shaded region ??

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  1. anonymous
    • 4 years ago
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    |dw:1328409572620:dw|

  2. anonymous
    • 4 years ago
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    ok so to get the answer you need to first: find the parameter of the whole circle, find the parameter of the circle with diameter PQ and find the parameter of the circle with diameter QS when you are down these let me know. i will be back to help you

  3. anonymous
    • 4 years ago
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    hmmmmmm kkk thnx anyway !!!!!!

  4. asnaseer
    • 4 years ago
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    The indicated region is half the circumference of the outer circle: |dw:1328410059872:dw|

  5. asnaseer
    • 4 years ago
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    The next indicated region is half the circumference of the circle with diameter PQ: |dw:1328410111834:dw|

  6. anonymous
    • 4 years ago
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    kkk then ??

  7. anonymous
    • 4 years ago
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    kkkkkkkkk then ??

  8. asnaseer
    • 4 years ago
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    finally, the indicated region is half the circumference of the circle with diameter QS: |dw:1328410162923:dw|

  9. asnaseer
    • 4 years ago
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    add up all three and you have your answer. that is what @saljudieh07 was trying to show you.

  10. anonymous
    • 4 years ago
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    kkk undrstud then ??

  11. asnaseer
    • 4 years ago
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    there is no "then" - add up all three and you have your answer.

  12. anonymous
    • 4 years ago
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    ohhhh thnx no then !!!!!

  13. asnaseer
    • 4 years ago
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    yw

  14. anonymous
    • 4 years ago
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    |dw:1328410363505:dw|

  15. asnaseer
    • 4 years ago
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    :) you are more than welcome!

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