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anonymous

  • one year ago

In circle A shown below, Segment BD is a diameter and the measure of Arc CB is 48°: What is the measure of ∠DBC?

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  1. anonymous
    • one year ago
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  2. sdfgsdfgs
    • one year ago
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    if BD is a diameter of the circle, then angle DCB must be 90 deg....

  3. anonymous
    • one year ago
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    Hmm you think ?

  4. sdfgsdfgs
    • one year ago
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    just checking :P well then u know 2 out of 3 angles in a triangle n u know the sum is 180 so u can solve for the unknown one.

  5. anonymous
    • one year ago
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    Haha but how'd you even get 90 ?

  6. sdfgsdfgs
    • one year ago
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    Try this: http://www.mathopenref.com/semiinscribed.html

  7. anonymous
    • one year ago
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    But I'd have to be 42. You just made this super simple

  8. anonymous
    • one year ago
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    Thank you !

  9. sdfgsdfgs
    • one year ago
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    welcome :) so whats the ans?

  10. anonymous
    • one year ago
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    42 degrees I got it thanks a lot !

  11. sdfgsdfgs
    • one year ago
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    correct - good work! :)

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spraguer (Moderator)
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