Draw circles in 3D.[br][br]Explore the construction and learn how to create circles in 3D with [i][url=https://www.geogebra.org/3d]GeoGebra 3D Calculator[/url][/i]. Then try it yourself by following the instructions below.
[table][tr][td]1.[/td][td][/td][td]Open the [i]Tools [i]View[/i][/i]. [/td][/tr][tr][td]2.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_join.png[/icon][/td][td]Select the [i]Line [/i]tool and select two positions in the [i]3D Graphics View [/i]to create points [i]A [/i]and [i]B [/i]and the line [i]f.[/i] [/td][/tr][tr][td]3.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_move.png[/icon][/td][td]Select the [i]Move [/i]tool and drag point [i]A[/i]. [/td][/tr][tr][td]4.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_point.png[/icon][/td][td]Select the [i]Point [/i]tool and create a new point [i]C [/i]on line[i] f.[/i][/td][/tr][tr][td]5.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_circlepointradiusdirection.png[/icon][/td][td]Select the [i]Circle with Center, Radius and Direction [/i]tool and select first line [i]f[/i], then point [i]C [/i]and enter 2 in the appearing dialog for the radius. [/td][/tr][tr][td]6.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_point.png[/icon][/td][td]Select the [i]Point [/i]tool and create a new point [i]D[/i].[/td][/tr][tr][td]7.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_circleaxispoint.png[/icon][/td][td]Select the [i]Circle with Axis through Point [/i]tool and select first line [i]f[/i], then point [i]D[/i].[/td][/tr][tr][td]8.[/td][td][icon]https://www.geogebra.org/images/ggb/toolbar/mode_move.png[/icon][/td][td]Select the [i]Move [/i]tool and drag the different points to explore your construction.[br][/td][/tr][/table]
If you're using [i]GeoGebra 3D Calculator [/i]on a mobile device you can switch to [i]AR mode[/i] to place your created math objects on any flat surface (e.g. table, floor, ...) around you and walk around them. Explore your constructions from a new perspective!