Drawing Prisms in 3D Graphics

1.

Open Algebra View and Graphics View under  View in  Menu.

2.

Draw a polygon in Graphics View. You can read more on how to draw a rectangle from GeoGebra Instruction 3 here.

3.

Close Graphics View and open 3D Graphics under  View in  Menu.

4.

Select the tool Extrude to Prism, which you find by clicking on the ninth tool on the Toolbar (Pyramid) and select the fourth tool from that list.

5.

Click on the polygon you made in Item 2.

6.

Enter the height (altitude) that you want.

The prism is now drawn in 3D Graphics. The volume of the prism is shown in Algebra View.