line ca and cb are tangents to circle O. write an expression for each arc or angle in terms of the g

Mathematics
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Aug 25th, 2015

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17) mAB=r*mLAOB

  mAB=r*(180-y)

mADB=r*360-r(180-y)

           =r*(180+y)


18) x=r*mLAOB

     x=r*(180-y)

    y=180-x/r 


19)x=r*mLAOB

     x=r*(180-y)

Please let me know if you need any clarification. I'm always happy to answer your questions.
Aug 25th, 2015

For number 17. I understood 360°-x.... Its just an expression I have to write.

Aug 25th, 2015

mADB=r*360-r(180-y)

           =r*(180+y)

 360*r-x=r(180+y)

 

Aug 25th, 2015

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