Casio Geometry User Manual download pdf (Page 42)

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5-1

Using the Measurement Box

5. Using the Measurement Box

Pressing J displays a measurement box at the bottom of the screen as shown below.

Measurement Box

You can use the measurement box to perform the following operations.

View the measurements of an object

Displaying the measurement box and selecting an object displays combinations of the

following measurements, depending on the type of object you select: coordinates, distance/

length, slope, equation, vector, radius, circumference, perimeter, area, angle, supplementary

angle, tangency, congruence, incidence, or point on curve.

Specify the measurement of part of an object

After you display the measurement box, you can select part of an object and then change

numeric values for the applicable measurement. You can specify the coordinates of a point,

the length of a line segment (distance between endpoints), the angle formed by two lines,

etc.

Lock the measurement of part of an object

After you display the measurement box, you can select part of an object and then lock

the applicable measurement. You can lock the coordinates of a point, the length of a line

segment, the angle formed by two lines, etc.

Viewing the Measurements of an Object

The type of information that appears in the measurement box depends on the object

that is currently selected on the display. If a line segment is selected, for example, the

measurement box shows the distance, slope, or the equation for that line. You can specify

the type of information you want to view by highlighting the up arrow button to the left of the

measurement box, pressing the w (or f) key, and then using the cursor keys to highlight

the appropriate icon on the icon palette that appears.

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Casio Geometry User Manual Page 42