To dilate a line egment toward a pecified center point
(1) Draw a line segment, and then select it.
(2) Tap [Draw], [Construct], and then [Dilation].
• This highlights the dilation button on the toolbar.
(3) Tap the center of dilation.
• This displays the Dilation dialog box.
(4) Specify the dilation scale factor.
(5) Tap [OK].
Tran formation U ing a Matrix or Vector (General Tran form)
General Transform lets you input a matrix and/or vector to transform a figure. The result of
the transformation is drawn as a separate figure. For example, if you transform line segment
AB, the line segment A'B' will be drawn.
You can perform the following types of transformations with General Transform.
• Matrix Transformation:
• Vector Transformation: Vertical and horizontal parallel displacement
General Tran form Example
In this example draw triangle ABC and then draw triangle A'B'C', which is symmetrical
to ABC about the
displacement on triangle A'B'C' of 1 unit along the
Drawing Figures
x
y
-axis/
-axis symmetry, rotation, enlargement, reduction, etc.
x
-axis. Next, we will draw triangle A''B''C'' by performing a parallel
8-2-37
x
y
- and
-axis.
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