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Texas Instruments TI-89 - Page 38

Texas Instruments TI-89
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TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App 34
Perform the following steps to create a point on a circle at a
proportional arc length away from a selected point.
1.
Create a circle with a point on it,
then create a numerical value as
shown in this example.
2.
Press
and select
9:Measurement
Transfer
.
3.
Move the cursor and press
¸
to
select the numerical value.
4.
Move the cursor and press
¸
to
select the circle
5.
Move the cursor to the existing point
on the circle.
6.
Press
¸
to create a point on the
circle that is a proportional arc
length away from the initial point.
Transferring Measurements
(continued)
Creating a
Measurement
Transfer Point on a
Circle
Note:
The direction of the
distance or arc length is
counterclockwise for positive
values and clockwise for
negative values. The
direction is determined by
the sign of the selected
numerical value.

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