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Casio ClassPad 300 PLUS User Manual

Page 449

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20050501

(6) Select line segments AB and DE, enter 90 in the measurement box, and tap the check

box next to the measurement box.

• This fixes the angle between AB and DE at 90

degrees.

8-5-5

Working with Animations

(7) Select only line segments DE and DC, and then tap the down arrow next to the

measurement box.

(8) Tap the e icon, and then select the check box to the right of the measurement box.

• This makes line segments DE and DC congruent in length.

(9) Select point E and line segment AB.

(10) Tap [Edit], [Animate], and then [Add Animation].

(11) Tap the screen to deselect the currently selected items.

(12) Select point D.

A highlighted check box indicates the measurement
is fixed (constrained).