anonymous
  • anonymous
Consider the isosceles triangle with AB = AC. Suppose the angle bisector of B intersects the side AC at D and that BC = BD + AD. Determine the angle A.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1350605708301:dw|
anonymous
  • anonymous
Wanna use trig, or regular plane geometry?
anonymous
  • anonymous
the easiest way to solve this

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More answers

anonymous
  • anonymous
I was looking at this last night. I'm trying to find my notes on it.
anonymous
  • anonymous
ok, i'm trying to solve this, but this one is really hard...
anonymous
  • anonymous
Yeah, I'm trying combinations of law of cosines and law of sines.
anonymous
  • anonymous
but nothing yet
anonymous
  • anonymous
|dw:1350693786588:dw|
anonymous
  • anonymous
I will have to make a better drawing.....Answer s/b 100, I think....
anonymous
  • anonymous
|dw:1350694614179:dw|
anonymous
  • anonymous
what is "s/b 100"?
anonymous
  • anonymous
should be
anonymous
  • anonymous
ohh ok i got it
anonymous
  • anonymous
thank you so much!
anonymous
  • anonymous
yw:-)
anonymous
  • anonymous
hey where you get this 180° -5(Betha) = 4(Betha) ?
anonymous
  • anonymous
ADB is 3 Beta
anonymous
  • anonymous
yes but i still don't see how to get 4 Beta...
anonymous
  • anonymous
look at triangle AED
anonymous
  • anonymous
For 180-5 Beta.
anonymous
  • anonymous
yes that i got
anonymous
  • anonymous
but them you set this equal to 4 beta, then i'm lost...
anonymous
  • anonymous
BD = BE so 4 Beta
anonymous
  • anonymous
ohhhh now i see
anonymous
  • anonymous
thank you soo much!
anonymous
  • anonymous
yw:-)

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