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When you open the GeoGebra Geometry Tool (https://im612.org/geometry-tool), you’ll see some basic tools. Click on the word “MORE,” and you’ll see some categories of tools, including “Construct” tools.
perpendicular line
parallel line
We will start with a small set of tools. The GeoGebra Constructions Tool can be found at https://im612.org/construction-tool. These are the GeoGebra tools that do the same jobs as a pencil, a compass, and a straightedge.
Three pencil tools:
point
point on object
intersect
Four straightedge tools:
line
segment
ray
polygon
Two compass tools:
circle with center through point
compass
The GeoGebra Geometry Tool is at https://im612.org/geometry-tool. Click “MORE” to see the hidden categories of tools. Instead of doing each step of a construction, GeoGebra Geometry Tool will perform all the steps of the constructions in our inventory. It has commands for perpendicular lines, parallel lines, and more!
perpendicular line
parallel line
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