User Manual

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20060601

5-4

Using the Measurement Box

4. Select the icons on the icon palette to display other measurements.

• In the case of the line segment, for example, you can view its length, slope, and In the case of the line segment, for example, you can view its length, slope, and

equation.

Slope Equation

5. To close the measurement box, press ) twice.

S To display the area of a rectangular areaTo display the area of a rectangular 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 rectangle ABCD to determine the areas of the triangles formed by

points A, D, and B, and points A, D, and C

1. Draw the rectangle.

2. Select points A, D, and B.

3. Press ).

• This causes the area of the triangle ADB to appear in the measurement box. This causes the area of the triangle ADB to appear in the measurement box.