User Manual

20060601
6-3
Working with Animations
6. Input 90 into the measurement box by pressing H?U.
• This makes the angle between line segments AB and DE 90 degrees, and locks it. This makes the angle between line segments AB and DE 90 degrees, and locks it.
7. Press )M to deselect all objects on the screen.
8. Select line segments DE and DC, and then press ).
9. Press BU to display the icon palette, move the highlighting to the  icon, and then
press U.
10. Use C to move the highlighting to the ! icon and then press U.
• This changes the icon to This changes the icon to .
• This makes line segments DE and DC congruent in length. This makes line segments DE and DC congruent in length.
11. Press ))M and then select point E and line segment AB.
12. Perform the following operation: (Animate) – 1:Add Animation.
13. Press M and then select point D.
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