Graphs & Geometry 521
7. Press d to exit the tool, and then move the end points of the
original line segment to explore the effect on the arc. You can also
move the arc by dragging its starting point.
Note: If you measure the distance between the two points on the
circle, the value will be less than the transferred measurement. This is
because you are measuring a straight line between the points, not
the arc formed between the points. The arc’s length is the transferred
measurement.
Using the Calculate tool
The Calculate tool enables you to perform arithmetic calculations using
measured and entered values. An example best shows how this tool is
used.
1. Create an object and display measurements for it. In this example, a
triangle is constructed and its angles are measured using the Angle
tool on the
Measurements menu.
2. From the
Actions menu, select Tex t .
3. Type the formula for the calculation. In this example, the formula
adds the measurements of the three angles.
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