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OpenSessame Group Title

In circle O, m<R = 23. Find m<O. (The figure is not drawn to scale.)

  • one year ago
  • one year ago

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  1. Directrix Group Title
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    Angle R is an inscribed angle of a circle. Use the attached theorem to get the measure of the arc it cuts off. The intercepted arc is in blue.

    • one year ago
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    The measure of an inscribed angle is how related to its intercepted arc?

    • one year ago
  3. OpenSessame Group Title
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    I understand the theorem but how do find the length?

    • one year ago
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    Read the part of the attachment that says that the measure of the inscribed angle is ...... ? What comes next?

    • one year ago
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    1/2 the measue of the arc

    • one year ago
  6. OpenSessame Group Title
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    so multply it by two?

    • one year ago
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    Yes. So if angle R is 23, what is the measure of arc NQ ?

    • one year ago
  8. OpenSessame Group Title
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    do its 46?

    • one year ago
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    Yes. Next, do you see that central angle O cuts off the same arc that angle R did?

    • one year ago
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    Right so 23?

    • one year ago
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    No, the central angle is not 23. On the previous problem, what did we say is the measure of the central angle of a circle in relation to its intercepted arc?

    • one year ago
  12. OpenSessame Group Title
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    1/2

    • one year ago
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    No, that was the inscribed angle. We're talking central angles.

    • one year ago
  14. OpenSessame Group Title
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    I have no idea...

    • one year ago
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    Read this.

    • one year ago
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    Okay i did..

    • one year ago
  17. OpenSessame Group Title
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    It is the arc!

    • one year ago
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    So the Angle is 46!

    • one year ago
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    That is correct.

    • one year ago
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    THANK YOU SOO MUCH!

    • one year ago
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    You are welcome.

    • one year ago
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    https://study.ashworthcollege.edu/access/content/group/45b8c516-1008-46d7-aa1d-bb9b62c786ff/geometry_exam_12_files/mc003-1.jpg For this wouldnt the X angle be 77?

    • one year ago
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    Yes.

    • one year ago
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    Because they are congruent right?

    • one year ago
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    https://study.ashworthcollege.edu/access/content/group/45b8c516-1008-46d7-aa1d-bb9b62c786ff/geometry_exam_12_files/mc012-1.jpg This is confusing me again...

    • one year ago
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    There is a little bit more to it. You don't know that the angles are congruent right off the bat. Look at the two congruent chords of the circle that go with the arcs cut off by the two central angles. Because in a circle, congruent chords have congruent arcs and the two central angles cut off congruent arcs, their measures are the same.

    • one year ago
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    Okay, well thank you a lot!

    • one year ago
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    We have done one like that.

    • one year ago
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    Here's the theorem you need. ^^

    • one year ago
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    So, what is the equation you would write to solve the equation.

    • one year ago
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    Alright! I got it from here! Thanks man!

    • one year ago
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    X^2=5(12+5)

    • one year ago
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    Very good.

    • one year ago
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    X^2 = ?

    • one year ago
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    9.2?

    • one year ago
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    85

    • one year ago
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    Would it be 9.2 or 85???

    • one year ago
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    x^2 = 85 x = 9.2? Yes.

    • one year ago
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    Okay:) thanks!

    • one year ago
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    I'll look for you online when I'm on. I enjoyed working with you.

    • one year ago
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    Thanks same with you!

    • one year ago
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