Casio CLASSPAD 330 3.04 User Manual

Page 538

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Editing Figures

Icon Icon Name

This icon appears when this
is selected:

Tapping this icon
displays:

Lockable

K

e

6

Angle

Yes

Q

t

Two line segments

Angle and its
supplement formed by
the line segments

Tangency

Yes

Two circles or arcs, or a line
and circle

Whether two items are
tangent

Congruence

Yes

Two line segments

Whether line segments
are the same length

Incidence

Yes

Point and a line, arc, circle or
a vector

Whether a point is on
the line/curve

Point on
curve

Point and a function, curve, or
ellipse

Rotation
angle

*

1

F

Two points created by
[Rotation]

Angle of rotation

Scale of
dilation

*

1

2

Two points (like Point A and
Point A’) on a figure created
by [Dilation]

Scale of dilation

Text icon

No

u

An object that includes text or
an object that can be named

Editable text used to
name the selected image

S To display the area of a triangular area

You can use the measurement box to display the area of a triangle formed by any three
points you select on the display.

Example: To use the parallelogram ABCD, in which sides AD and BC are parallel, to

determine the areas of the triangles formed by side AD and point B, and side AD
and point C

(1) Draw the parallelogram.

• If you need to, select [Edit] and then [Clear All] before beginning this example.

(2)

Tap

5 on the toolbar to display the measurement box.

*

1

The value in the measurement box is always locked while this tool is selected.

You can use the measurement box to determine certain measurements.
In the first example below, three points are selected on the screen and the measurement box
shows the area of the triangle formed by them.
The second example shows how to view the measurements of a line segment.

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