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Prove triangle PQS is similar to triangle QRS

  1. Sep 12, 2005 #1
    I'm having trouble doing this...

    prove triangle PQS is similar to triangle QRS
    Hence prove QS^2=PS.SR

    the diagram is attached


    Attached Files:

    • tri.JPG
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  2. jcsd
  3. Sep 12, 2005 #2


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    Staff Emeritus
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    Look at the angles. angles QPS and QRS are complementary. So are QQS and PQS.
  4. Sep 12, 2005 #3
    yer, but how can u prove that they triangles are similar?
  5. Sep 12, 2005 #4


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    Homework Helper

    If two triangles contain the same three angles, then they are similar.
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