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anonymous

  • 4 years ago

Using the diagram provided. What is the measure of angle ACB? What is the measure of arc ACB in the above circle?

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  1. anonymous
    • 4 years ago
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    * what is the measure of arc AB in the above circle?

  2. anonymous
    • 4 years ago
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    if you can draw and label the circle i can help you

  3. anonymous
    • 4 years ago
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    uploading diagram now

  4. anonymous
    • 4 years ago
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  5. anonymous
    • 4 years ago
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    hold on and i will do it then show you how

  6. anonymous
    • 4 years ago
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    ok

  7. anonymous
    • 4 years ago
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    so looking at the circle, you have an inscribed angle. which means the arc divided by 2 gets you the angle. but before you can even do that you need to find x. so you set all 3 equations equal to x like so: \[x+15+3x+x+50=360\] then you work the problem out and you should get 59 once you have that it becomes a piece of cake. you insert x in the arc of ab so arc AB becomes \[3\times59\] then once you have that you divide it by two to get the angle of ACB. which ends up being about 88.5

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