anonymous
  • anonymous
What is the length of line AB?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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mathstudent55
  • mathstudent55
That's a trick question. Every line has infinite length. Perhaps you mean the length of segment AB?
anonymous
  • anonymous
Yes that is what i ment

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anonymous
  • anonymous
Is there enough information given to solve it?
mathstudent55
  • mathstudent55
We can get these angles using the inverse tangent function. |dw:1436220001584:dw|
mathstudent55
  • mathstudent55
I don't think there is enough info on triangle ABP to answer unless we know that segment AB is parallel to segment L1L2. |dw:1436220177111:dw|
mathstudent55
  • mathstudent55
If segment AB and segment L1L2 are parallel, then you can find the length of segment AB.
anonymous
  • anonymous
Ah yes forgot to mention that they are parallel
mathstudent55
  • mathstudent55
Then we can use more angles. See below. |dw:1436220516982:dw|
mathstudent55
  • mathstudent55
Use the law off sines. |dw:1436220599120:dw|
anonymous
  • anonymous
573?
mathstudent55
  • mathstudent55
No. The angles of the triangle are not that different in size, so one side can't that much smaller than the other side. \(x = \dfrac{4010~ft \cdot \sin 69^o}{\sin 61.9^o} \) Try again.
mathstudent55
  • mathstudent55
BTW, your calculation of the proportion was done correctly. You need to set your calculator to degrees. It is set to radians.
anonymous
  • anonymous
That is what i thought i did wrong let me try again
mathstudent55
  • mathstudent55
ok
anonymous
  • anonymous
about 4,243?
mathstudent55
  • mathstudent55
yes
anonymous
  • anonymous
Thank you for your help!

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