Chapter 8: Geometry Application 163
u To draw a triangle
1. Tap [Draw], [Special Polygon], and then [Triangle].
2. Place the stylus on the screen and drag diagonally in any direction.
• This causes a selection boundary to appear, indicating the size of the
triangle that will be drawn. The triangle is drawn when you release the
stylus.
• In place of the above step 2, you can achieve the same result by simply
tapping the screen. This automatically draws the acute triangle you
selected.
0803 To draw a regular polygon
Using the Construct Submenu
The [Construct] submenu provides you with the means to study various geometric theorems. Each of the
[Construct] submenu figures is also available on the toolbar.
Perpendicular Bisector
Midpoint
Angle Bisector
Tangent to Curve
Translation
Dilation
Perpendicular
Intersection
Parallel
Reflection
Rotation
General Transform
[Construct] submenu
The following procedures include steps that require selection of a line segment or other figures. For details
about selecting figures, see “8-2 Editing Figures”.
u To construct a perpendicular bisector
1. Draw a line segment.
2. Tap G, and then select the line segment.
3. Tap [Draw], [Construct], and then [Perp. Bisector]. This draws a
perpendicular bisector through your line segment.
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