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Geometrical Proofs

  1. Sep 30, 2011 #1
    1. The problem statement, all variables and given/known data

    Dear Mentors,

    Please guide me in solving the circled questions on the 2 attachments.

    2. Relevant equations


    Thank you
    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Sep 30, 2011 #2
    Why only Mentors?

    There are other too to help you out. :)

    But first you need to show your attempts. That will help us to know where you are stuck and we would help you to proceed. :)
     
  4. Oct 1, 2011 #3
    For Geometry Ques 16b)

    From my understanding, in order for me to prove 2 lines parallel, I need to have corresponding angles, alternating angles or supplementary angles. The following attachment is my working. The angle with the same colour marking is equal.

    But I am stuck with to prove the angle on the line EF to be related with my other marked angles.

    There is another attachment of my working for the other question.

    Thank you.

    I see everybody as my Mentor as they guide me in different ways.
     

    Attached Files:

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