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270 Geometry Application
2. Click a location to establish the vector's initial point.
3. Click a second location to specify direction and magnitude and complete
the vector.
4. To move a vector, drag any point other than the endpoints. To manipulate
the magnitude and/or direction, drag either end point.
Note: If you create an endpoint on an axis or another object, you can move
the endpoint only along that object.
Creating a Circle Arc
1. From the PointsandLines menu, select Circle Arc. (In the Graphs
application, click Geometry > PointsandLines > Circle Arc.)
2. Click a location or point to establish the starting point of the arc.
3. Click a second point to establish an intermediate point through which the
arc will pass.
4. Click a third point to set the ending point and complete the arc.
5. To move an arc, drag its perimeter. To manipulate it, drag any of its three
defining points.