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8-3-9
Editing Figures
(3) Select points A, D, and B.
• This causes the area of the triangle ADB to appear
in the measurement box.
(4) Tap anywhere outside of the parallelogram to deselect the current points, and then
select points A, D, and C.
• This causes the area of the triangle ADC to appear
in the measurement box. The above procedure
shows that the areas of the two triangles are
the same.
u
To view the measurements of a line segment
(1) Draw a line segment.
(2) Tap
u
on the toolbar to display the
measurement box.
(3) Select the line segment.
• This displays the length of the line segment.
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