Casio Geometry - Manual (Page 45)

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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
equation.
Slope Equation
5. To close the measurement box, press
J twice.
u To 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
J.
• This causes the area of the triangle ADB to appear in the measurement box.