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Math Help - Conjectures Inscribed Angles...

  1. #1
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    Conjectures Inscribed Angles...

    Hey guys I wondered if you could help me solve problem one.

    BELOW IS PHOTO!

    THANKS
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  2. #2
    Senior Member Peritus's Avatar
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    simply use the Inscribed Angles Conjectures which says that the measure of the intercepted arc angle is twice that of the inscribed angle.
    Thus a = 65
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  3. #3
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    so number 2...well the line where the dot is is 180 degrees, so does that have anything to do it. still a little confused...
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  4. #4
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    on number 2 is b= 30 degrees?
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  5. #5
    Senior Member Peritus's Avatar
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    right
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  6. #6
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    one quick one: so on problem 3, to get that you take 95(2) (thats 95 times 2) which would equal c+120 degrees. But why. Why times 2
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