|Construct a circle with
centre O. Mark a point P exterior to
the circle. Construct the tangent lines to the circle going through
point P. Describe the construction you have made.
Justify the correctness of your construction: Why is it correct? It is necessary to use geometric properties studied and accepted in the classroom.
Supported by a research grant from the Social Sciences and Humanities Research Council of Canada
Page last updated July 2008 by David Reid