Exploring Points, Lines, and Planes (V2)

In this app, construct a point and a line. If you experience difficulty using these tools, refer to the quick silent screencast at the bottom of this page.
In the app above, select the MOVE tool. Move the 3 points you see around. Without Googling, how would you describe the term "POINT" in your own words?
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Without Googling, how would you describe the term "LINE" in your own words?
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• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
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Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
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In the app below,
  • Use the PLANE THROUGH 3 POINTS tool to construct a plane. To do so, select this tool and plot 3 points anywhere you'd like.
  • Press the MOVE tool when finished so you can move this plane around.
What do you notice? What do you wonder?
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Bold [ctrl+b]
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Subscript
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Auto
Justify
Align left
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Align center
• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Without Googling, how would you describe the term "PLANE" in your own words?
Font sizeFont size
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Bold [ctrl+b]
Italic [ctrl+i]
Underline [ctrl+u]
Strike
Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Link [ctrl+shift+2]
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Quick (silent) reference for those experiencing difficulty plotting points and lines in GeoGebra 3D.
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– Tim Brzezinski

Information: Exploring Points, Lines, and Planes (V2)