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alainabbyboo22

  • 2 years ago

Complete the reason for step 4 in the proof below: Given: line segment DE is parallel to line segment FG Prove: triangle DEC is similar to triangle FGC

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  1. alainabbyboo22
    • 2 years ago
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    Step Statements Reasons 1 line segment DE is parallel to line segment FG Given 2 angle D is congruent to angle F Alternate Interior angles 3 angle E is congruent to angle g Alternate Interior angles 4 triangle DEC is similar to triangle FGC A. Side-Angle-Angle Similarity Postulate B. Side-Side-Side Similarity Postulate C. Angle-Angle-Angle Similarity Postulate D. Angle-Angle Similarity Postulate

  2. alainabbyboo22
    • 2 years ago
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    |dw:1347903763674:dw|

  3. alainabbyboo22
    • 2 years ago
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    just to clear things up so it didn't confuse anyone .

  4. ganeshie8
    • 2 years ago
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    so, in step 2 you proved one set of ANGLEs are congruent

  5. ganeshie8
    • 2 years ago
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    and in step3 you proved second set of ANGLEs are congruent

  6. ganeshie8
    • 2 years ago
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    you have TWO sets of ANGLES that are congruent. which similarity theorem you may use for justification ?

  7. alainabbyboo22
    • 2 years ago
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    |dw:1347904123930:dw|

  8. alainabbyboo22
    • 2 years ago
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    there , this one is clearer to see .

  9. ganeshie8
    • 2 years ago
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    wow good work :)

  10. alainabbyboo22
    • 2 years ago
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    thanks :) alright now looking at what you said !!

  11. ganeshie8
    • 2 years ago
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    ok. . :)

  12. alainabbyboo22
    • 2 years ago
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    hm .. i wanna go with option A.

  13. alainabbyboo22
    • 2 years ago
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    is that incorrect though ?

  14. ganeshie8
    • 2 years ago
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    we have only 2 ANGLES that are congruent, we dont knw about SIDES right ?

  15. alainabbyboo22
    • 2 years ago
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    true !! so option C or D is what i need to focus on

  16. alainabbyboo22
    • 2 years ago
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    D

  17. ganeshie8
    • 2 years ago
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    yes last one is the correct one, AA similarity. great work :D

  18. alainabbyboo22
    • 2 years ago
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    thanks !! (:

  19. ganeshie8
    • 2 years ago
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    np :)

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