1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: 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

    cheers
     

    Attached Files:

    • tri.JPG
      tri.JPG
      File size:
      9.7 KB
      Views:
      90
  2. jcsd
  3. Sep 12, 2005 #2

    HallsofIvy

    User Avatar
    Science Advisor

    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

    Fermat

    User Avatar
    Homework Helper

    If two triangles contain the same three angles, then they are similar.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook