mckenzieandjesus
  • mckenzieandjesus
What is the length of AC? 11 10 4 7
Geometry
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SOLVED
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chestercat
  • chestercat
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mckenzieandjesus
  • mckenzieandjesus
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mckenzieandjesus
  • mckenzieandjesus
@jim_thompson5910
jim_thompson5910
  • jim_thompson5910
have a look at this page http://www.regentsprep.org/Regents/math/geometry/GP14/CircleSegments.htm

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More answers

anonymous
  • anonymous
AB is 10 you do the outer segemnt times the inner segment of each one and they equal each other
mckenzieandjesus
  • mckenzieandjesus
Ok
mckenzieandjesus
  • mckenzieandjesus
Okay how did u figure out what the outer and inner segment was?
anonymous
  • anonymous
it says some of them and you figure out the rest from this bc x ab = cd x de and plug in the values thatyou have and solve the rest algebraically
mckenzieandjesus
  • mckenzieandjesus
ohh ok
anonymous
  • anonymous
np :)
jim_thompson5910
  • jim_thompson5910
|dw:1435618186333:dw|
jim_thompson5910
  • jim_thompson5910
according to theorem 2 on that page, we can say RP*RQ = RS*RT
mckenzieandjesus
  • mckenzieandjesus
ok
anonymous
  • anonymous
ohyeah sorry hes rightsorry imade a mistake usethe wrong theorem:(
mckenzieandjesus
  • mckenzieandjesus
so CA*CB =CE*CD
jim_thompson5910
  • jim_thompson5910
correct
mckenzieandjesus
  • mckenzieandjesus
how do i find those ?
jim_thompson5910
  • jim_thompson5910
AC = CA BC = CB etc etc the order of the two letters doesn't matter. It's the same segment
jim_thompson5910
  • jim_thompson5910
plug in the given and solve for AC
mckenzieandjesus
  • mckenzieandjesus
how do i solve for AC now ?
mckenzieandjesus
  • mckenzieandjesus
AC=CA 6=6
jim_thompson5910
  • jim_thompson5910
CA*CB =CE*CD CA*6 =12*5 solve for CA
mckenzieandjesus
  • mckenzieandjesus
CA*6=60
jim_thompson5910
  • jim_thompson5910
yes
jim_thompson5910
  • jim_thompson5910
isolate CA
mckenzieandjesus
  • mckenzieandjesus
do i times it to isolate it?
jim_thompson5910
  • jim_thompson5910
something times 6 = 60 find that "something"
jim_thompson5910
  • jim_thompson5910
undo the multiplication if you aren't sure what that "something" is
mckenzieandjesus
  • mckenzieandjesus
6*10=60
jim_thompson5910
  • jim_thompson5910
yes so CA or AC is 10
mckenzieandjesus
  • mckenzieandjesus
ok thanku!

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