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288 Geometry Application
Creating a Parallel Line
This tool creates a parallel line with respect to any existing line. The existing
line can be a Graphs axis or any side of a triangle, square, rectangle, or
polygon.
1. From the Construction menu, select Parallel. (In the Graphs application,
click Geometry > Construction > Parallel.)
2. Click the object that will serve as the reference line.
3. Click a location to create the parallel line.
You can drag the parallel line to move it. If you manipulate the reference
object, the line remains parallel.
Creating a Perpendicular Line
You can create a line that is perpendicular to a reference line. The reference
can be an axis, an existing line, a segment, or one side of a triangle, rectangle,
or polygon.
1. From the Construction menu, select Perpendicular. (In the Graphs
application, click Geometry > Construction > Perpendicular.)
2. Click a location or existing point through which the perpendicular line
should pass.
3. Click the item that will serve as the reference line.