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billyjean

  • one year ago

a diameter of a circle has endpoints p(-10 -2) and q(4 6).B.find the radius .If your answer is not an integer,express it in radical form.

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  1. anonymous
    • one year ago
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    find the length using these points

  2. anonymous
    • one year ago
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    r^2=[(y1-y2)^2+(x1-x2)^2]

  3. billyjean
    • one year ago
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    im a little bit confused

  4. anonymous
    • one year ago
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    r=sqrt[(6-(-2))^2+(4-(-10))^2] r=sqrt[8^2+14^2]

  5. billyjean
    • one year ago
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    thats the answer

  6. billyjean
    • one year ago
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    the square root of [8^2+14^2]=2sqrt65

  7. anonymous
    • one year ago
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    r-sqrt[64+196] r=sqrt(260)

  8. billyjean
    • one year ago
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    thats the answer

  9. anonymous
    • one year ago
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    260/4= 65 r=2sqrt(65)

  10. billyjean
    • one year ago
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    yes or no is that the answer

  11. anonymous
    • one year ago
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    the answer is r=2sqrt(65)

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spraguer (Moderator)
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