totaltri.gsp
Form 1 Mathematics
Centres of a triangle
This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright &
copy ; 1990-1998 by Key Curriculum Press, Inc. All rights reserved. Portions of this work
were funded by the National Science Foundation (awards DMI 9561674 & 9623018).
This page is best viewed by IE4 or Netscape Communicator (java-capable browsers).
Drag A, B and C to observe the changes of the three centres? What can you say about the
centriod, the circumcentre and and the orthocentre of a triangle? Make your own conjectures.
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