jaybear97
  • jaybear97
Please help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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jaybear97
  • jaybear97
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jaybear97
  • jaybear97
@mathmate
mathmate
  • mathmate
Read through (especially theorem 4) of http://www.regentsprep.org/regents/math/geometry/gp15/circleangles.htm This will give you the central angle. What you need (x) is the supplement (i.e. subtract from 180\(^\circ\)) of the central angle.

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More answers

jaybear97
  • jaybear97
110
mathmate
  • mathmate
not too fast...lol Read carefully theorem 4 how to calculate correctly the central angle first. See if you can spot the error.
jaybear97
  • jaybear97
hmm...??
mathmate
  • mathmate
The central angle is half the sum of the two arcs, which gives you ?
jaybear97
  • jaybear97
55/
mathmate
  • mathmate
half the sum of the two arcs = (1/2)(28+42) = ?
jaybear97
  • jaybear97
35
mathmate
  • mathmate
Excellent, so x=?
jaybear97
  • jaybear97
35?
mathmate
  • mathmate
Please go back to the link and read up on theorem 4 to see what 35 degrees represent, and then reread the diagram of the question. You'll find the answer between the two.

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