Graphics (Geometry) View
What are Tools?
Each GeoGebra View provides a Toolbar with a selection of Tools specific for the View you are working with. You may activate a Tool by clicking on the button showing the corresponding icon.
Task: Create a circle using the 
Circle with Center through Point tool.
Circle with Center through Point tool.
- Select the
Circle with Center through Point tool. - Click twice in the Graphics View in order to create a circle. Note: The first click defines the center of the circle, while the second click determines its size.
- Select the
Move tool and drag the points in order to change the circle's size and / or position.
Try it yourself...
What are Toolboxes?
GeoGebra's Tools are organized in Toolboxes, containing similar Tools, or Tools that generate the same type of new object. You can open a Toolbox by clicking on a Tool button and selecting a Tool from the appearing list.
Task: Find the 
Segment tool within the Toolboxes and create a segment.
Segment tool within the Toolboxes and create a segment.
- Search the Toolboxes for the
Segment tool.
- Click twice in the Graphics View in order to create two points and a segment between them.
- Select the Move tool and drag the points in order to change size and / or position of the segment.
What are Tooltips?
When you select a Tool, a Tooltip appears explaining how to use this Tool.
Hint: If you want to know more about this Tool, click on the Tooltip. This opens a web page providing more detailed information for the selected Tool.
Task: Find out how the 
Polygon tool works and create an arbitrary triangle.
Polygon tool works and create an arbitrary triangle.
- Select the
Polygon tool. - Read the Tooltip.
- Figure out how to use this tool in order to create a triangle.