anonymous
  • anonymous
Question - In a Triangle ABC, AB = AC. Angle A = 20 Degrees. D is any point on the side AC such that AD = BC. Find the measure of Angle DBC ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1446911226668:dw|
anonymous
  • anonymous
This is my progress.. :P
hartnn
  • hartnn
would proving that the triangles ADB and ABC are similar, be useful?

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More answers

anonymous
  • anonymous
Don't know, may be!! are they similar?
anonymous
  • anonymous
I think No, they are not similar...
hartnn
  • hartnn
SAS test for similarity? AB = AB A=A AD=BC
anonymous
  • anonymous
Silly me.!!
hartnn
  • hartnn
lol then they would be congruent :P nope, they are not similar/congruent
anonymous
  • anonymous
Why are they not congruent?? SAS is for congruency no??
anonymous
  • anonymous
I mean it is satisfying the condition no??
hartnn
  • hartnn
no for SAS, the angle needs to be included, in triangle ABC, A is not included
anonymous
  • anonymous
Oh, I checked it for ADB only.. :P
anonymous
  • anonymous
Is it a simple question in real??
anonymous
  • anonymous
simple means easy..!!!
hartnn
  • hartnn
i am awed by how creative and different solutions are thought by people to solve the same problem! http://ken.duisenberg.com/potw/archive/arch01/011109sol.html
anonymous
  • anonymous
Which solution you are following Hartnn?? I am doubt in first solution, how angle DAB = angle FBA ??
anonymous
  • anonymous
*have..
hartnn
  • hartnn
FBC is equilateral ABC = 80, so ABF = 20 which makes AFB isosceles
anonymous
  • anonymous
I am duffer...!!!

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