8-3-10

Editing Figures

(4)Tap the down arrow next to the measurement box to cycle through other measurements.

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

kSpecifying a Measurement of a Figure

The following example shows how to specify an angle of a triangle.

uTo specify the angle of a triangle

(1)Check to make sure the [Measure Angle] setting of the Geometry Format dialog box is set to “Degree” (see page 1-9-10 for more information).

(2)Draw the triangle.

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

(3)Tap uon the toolbar to display the measurement box.

(4)Select side AB and then select side BC.

This displays the measure of angle B in the measurement box.

(5)Input the value you want to specify for angle B into the measurement box and press E.

In this example, we input 90, which makes angle B 90 degrees.

20060301