Rotating And Dilating Objects - Texas Instruments TI-89 User Manual

Rotating and Dilating Objects

Rotating Objects by
Freehand
Hint: Press and hold
TI-89: j
TI-92 Plus /
Voyage™ 200 PLT: ‚
while pressing the cursor
pad.
Note: Move the cursor to an
unoccupied location and
press ¸ to deselect the
rotation point.
TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App
The toolbar menu contains tools to rotate and dilate
Pointer
objects by freehand manipulation. The
menu contains tools for rotating and dilating objects using
specific values to create translated images.
The Rotate tool in the Pointer
geometric center or a defined point.
To rotate an object about its geometric
center:
1. Create a triangle as shown in this
example.
2. Press ƒ and select
2:Rotate
3. Point to the object (not a point) and
drag in the direction that you want to
rotate the object.
To rotate an object about a defined
point:
1. Create a triangle and a point as
shown in this example.
2. Press ƒ and select
2:Rotate
3. Select the rotation point. The point
will blink on and off.
4. Point to the object and drag in the
direction that you want to rotate the
object.
Transformations
menu rotates an object about its
.
Drag the object around its
geometric center
Complete the rotation.
Select the rotation point and
grab the object to rotate.
.
Drag the object around the
point.
Complete the rotation.
toolbar
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