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Brittanyy!

  • 3 years ago

IS anyone up to really help me out? I got 8 questions right out of 20 and need serious help...anyone up for it?

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  1. skullpatrol
    • 3 years ago
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    sure

  2. Brittanyy!
    • 3 years ago
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    okay my first one is In circle O, m<R = 23. Find m<O. (The figure is not drawn to scale.) A) 46 B) 23 D) 157

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  3. phi
    • 3 years ago
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    R is an "inscribed angle" (it is on the circle) O is a central angle R's arc is QN O's arc is also QN for the same arc, central angles are twice as big as the inscribed angle

  4. phi
    • 3 years ago
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    You should memorize that factoid.

  5. wio
    • 3 years ago
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    @phi very interesting fact.

  6. wio
    • 3 years ago
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    So even if the point R moved, then it would always be twice the angle?

  7. phi
    • 3 years ago
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    yes R would always be 1/2 of O, as long as R's arc stays QN

  8. phi
    • 3 years ago
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    Can you figure out what m angle O is ?

  9. Brittanyy!
    • 3 years ago
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    so 46?

  10. Brittanyy!
    • 3 years ago
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    My next question is The figure consists of a tangent and a secant to the circle. A)9.2 B) 7.7 C) 14.3

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  11. pottersheep
    • 3 years ago
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    Maybe you should post it up as a different question. It will be more fair to your answers

  12. pottersheep
    • 3 years ago
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    answerers

  13. Brittanyy!
    • 3 years ago
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    well that is how it was asked...sometimes changing the question can change the answers!

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