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Example 1: Creating the perpendicular bisector of two
points
1.
Select the Perpendicular Bisector tool from the Construct
toolbox.
Move the # to any place in the drawing window and click
2.
(not hold down) once.
A flashing point appears on the window, indicating that
this point has been selected for the construction.
3.
Move to another place and click again.
A second point appears as well as the perpendicular
bisector of the segment connecting these two points.
(Note: The segment does not appear.)
If the pointer is near a valid object, a cursor message is
displayed. In some cases, it is sufficient to select only
one object to define a construction, as the next example
demonstrates.
Example 2: Creating the perpendicular bisector of a side of
a triangle
1.
Select Triangle from the Lines toolbox.
Move the # to any place in the drawing window and
2.
click. Move to a second location and click, and then to a
third location and click.
A triangle appears in the drawing window with the three
points selected as vertices.
Note: Depending on the speed at which you constructed
these three points, the sides of the triangle might appear
during the construction. Try doing this slowly and watch
the triangle materialize.
3.
Select Perpendicular Bisector from the Construct toolbox.
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© 1997, 1999 Texas Instruments Incorporated
Chapter 1: Learning the Basics
1-11
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