anonymous
  • anonymous
Could someone please help me with how to solve this problem. No answers or you'll be reported! Medal will be rewarded for help though ^.^
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anonymous
  • anonymous
I'd start by drawing a radius to R (from the center). You know the central angle that is formed. This should lead you to the answer.
DebbieG
  • DebbieG
I just wanted to say that I think it's AWESOME how you posted this question. Such a refreshing change! :)

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More answers

anonymous
  • anonymous
Okay so I got 90˚ for part of the triangle but I still can't get the other parts?
anonymous
  • anonymous
and your welcome ^.^
anonymous
  • anonymous
You are given the length of the arc. Remember the relationship of the central angle to the subtended arc length?
anonymous
  • anonymous
no.... -.-
anonymous
  • anonymous
:) They are equal!
anonymous
  • anonymous
I though that was it but I but my brain always second guesses it's self :O!!! Thank you
anonymous
  • anonymous
Okay so then because of the angle being 107˚ then the other angle would be 73˚?
anonymous
  • anonymous
Yes, that's right! And you know one more angle already...
anonymous
  • anonymous
which is 90˚??? So 180-73-90=17...but that's not one of the answers
anonymous
  • anonymous
Eeek! Sorry, I made a bad assumption :( I was thinking the base went through the center. OK...you can find the measure of arc RT. You have ANOTHER relationship between an inscribed angle and an arc.
anonymous
  • anonymous
uhhhhhhh.............oh my gosh I'm clueless :\
anonymous
  • anonymous
The angle is 1/2 the measure of the arc.
anonymous
  • anonymous
Okay so then arc RT would equal 73, then would you divide that by two to get 36.5˚?
anonymous
  • anonymous
RT isn't 73 :) That's the mistake I made. You already know angle S, work backwards.
anonymous
  • anonymous
Oh my goodness, I keep on trying to do this but it's so confusing! ^///^
anonymous
  • anonymous
If angle S is 25 degrees, what it RT?
anonymous
  • anonymous
50?
anonymous
  • anonymous
Yep
anonymous
  • anonymous
Okay so where do I work from that (my book didn't teach me any of this)
anonymous
  • anonymous
Almost there! You have an equation about an angle formed by a tangent and a secant...is that in your book?
anonymous
  • anonymous
no but I just found a website if anyone else has any problems ---> http://www.mathwarehouse.com/geometry/circle/tangents-secants-arcs-angles.php
anonymous
  • anonymous
:) You want the first equation
anonymous
  • anonymous
okay so 107-50=57/2=28.5?
anonymous
  • anonymous
Yes!
anonymous
  • anonymous
OMG THANK YOU SO MUCH I"M FANNING YOU!!!!
anonymous
  • anonymous
:) No problem, good luck!

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