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u To specify the measurement minimum value, maximum value, and step value for a slider
1. Perform the operation under "To display a slider" to display a slider.
2. Tap the upper left corner of the slider display box.
3. On the menu that appears, tap [Settings].
4. On the Slider Settings dialog box that appears, display the tab for the measurement you want to change.
• The dialog box has four tabs: [Angle], [SuppAngl] (supplementary angle),
[Length], and [Radius]. You can select any of the tabs and change its
settings, regardless of the measurement controlled by the slider you
selected in step 1 of this procedure.
5. Input values for Min (minimum value), Max (maximum value), and Step (step value).
• For the Angle and SuppAngl tabs, you should input a value in the angle unit (degrees, radians, or grads)
currently specified by the "Measure Angle" setting on the Geometry Format dialog box. The input range
depends on the current angle unit setting: 0 to 180 for degrees, 0 to π for radians, and 0 to 200 for grads.
Attempting to input a value that is outside the current allowable range will automatically change the input
value so it is within range.
• On the Length and Radius tab, input a value that is greater than zero.
• To return the setting values on the currently displayed tab to their initial values, tap the [Default] button.
Refer to the "Initial Defaults" table for information about default settings.
6. After configuring the settings you want, tap [OK] to save them.
• This closes the Slider Settings dialog box.
Initial Defaults
Measurement
Angle, Supplementary Angle
Length
Radius
u To use a slider to seamlessly change an angle and/or length
0804
Angle B of triangle ABC is fixed at 90°, and the length of side AC is also
fixed. Confirm the movement of vertex B along the circumference of a
circle that has side AC as its diameter as angle A changes. Here, angle A
changes at 10° increments within a range of 10° to 80°.
Min
Degree
30
π /6
Radian
Grad
100/3
1
1
Max
150
5 π /6
500/3
10
5
Chapter 8: Geometry Application 173
Step
30
π /6
100/3
1
1
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