Gabylovesyou
  • Gabylovesyou
Triangle congruence and similarity
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Gabylovesyou
  • Gabylovesyou
What is the flaw in the student's proof? Justification 4 should be "AB ÷ AD = AB ÷ AC because triangle ABC is similar to triangle ABD." Justification 1 should be "Angle ABC = Angle BCD and Angle BCA = Angle DBC." Justification 2 should be "BC ÷ DC = AC ÷ BC because triangle ABC is similar to triangle BDC." Justification 3 should be "Angle ABC = Angle ADB and Angle BAC = Angle BAD."
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Gabylovesyou
  • Gabylovesyou
@ganeshie8 I don't get this one ;/
ganeshie8
  • ganeshie8
|dw:1393350721762:dw|

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ganeshie8
  • ganeshie8
first two statements are about using : \(\triangle ABC \sim \triangle BDC\)
ganeshie8
  • ganeshie8
there is no flaw in those statemetns
ganeshie8
  • ganeshie8
lets look a bit closely at statement 3
ganeshie8
  • ganeshie8
|dw:1393350999487:dw|
ganeshie8
  • ganeshie8
say, that angle = \(\alpha\)
ganeshie8
  • ganeshie8
you wid me ? :)
ganeshie8
  • ganeshie8
if u set up the angles correctly u will get : Justification 3 should be "Angle ABC = Angle ADB and Angle BAC = Angle BAD."
Gabylovesyou
  • Gabylovesyou
oh ok thank you so much and sorry... openstudy is kinda acting crazy for me
ganeshie8
  • ganeshie8
same here... it is acting up from last couple of hours lol
ganeshie8
  • ganeshie8
i see all oranges.. and lag..
Gabylovesyou
  • Gabylovesyou
yessss !! me too haha

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