How to Draw Cylinders in GeoGebra

GeoGebra has tools that can be used to draw cylinders in 3D space and compute their volumes:

If you know the radius and height, use Item 4.
If you know the center of the base, center of the top, and the radius, use Item 4.

GeoGebra Instruction 1

1.: Open Algebra View and Graphics View under View in Menu.
2.: Draw a circle in Graphics View by using either the Circle with Center through Point or Circle: Center & Radius tool.
3.: Type

Cylinder(Circle, Height)

in Algebra View.
4.: Type the name of the circle in the Circle field and the desired value of the height in the Height field.
5.: The cylinder will now appear in 3D Graphics. The volume of the cylinder is displayed in Algebra View.

Example 1

Draw a cylinder in GeoGebra with a radius of 3 and a height of 4.

Follow Item 4 for solving this exercise. Draw a circle with the given radius in Graphics View. Then use

Cylinder(Circle, Height)

where you type in the name of the circle and the given height.

GeoGebra Instruction 2

1.: Open Algebra View and 3D Graphics under View in Menu.
2.: Click on Cylinder .
3.: Click on two points in 3D Graphics and type the desired radius.
4.: The cylinder will now appear in 3D Graphics. The volume of the cylinder can be read in Algebra View.
5.: Alternatively, you can type

Cylinder(Point, Point, Radius)

in Algebra View and type the coordinates of the center of the cylinder’s base in the first Point field, the coordinates of the center of the cylinder’s top in the second Point field, and the value of the radius in the Radius field.

Example 2

Draw a cylinder in GeoGebra with (2, 1, 0) as the center of the base, (0, 0, 5) as the center of the top, and a radius of 3

Follow Item 4 and type

Cylinder(Point, Point, Radius)

in Algebra View, using the given values in the fields where they belong.

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