# Tool: Trimmed Line, 3 points

Proposition: [i]To draw a segment which respects three points.[/i] [math] \;\;\;[/math][b]Tool (.ggt):[/b][url]http://www.geogebratube.org/material/show/id/87348[/url] [math] \;\;[/math] TrimLine3Pts[A,B,C, m1, m2] [math] \;\;\;[/math] Points A,B,C [math] \;\;\;[/math] margins (numbers) m1, m2 Also useful for drawing trimmed lines. E.g. [url]http://www.geogebratube.org/material/show/id/35525[/url] ____________ [b]The problem:[/b] In Elementary Geometry, a finite line (segment) is a portion of a line. For example, the sides of a triangle may always be extended. In GGB, the Segment object does not properly respect these definitions. For example, [url]http://www.geogebratube.org/student/m5313[/url] [math]\;\;[/math] [i]Drag slider c.[/i] (Can we write QED? Are the extensions produced, and the points placed upon them?) This tool is part of a solution.

Resource Type
Activity
Tags
layout  lines  segments  tools  trimmed
Target Group (Age)
19+
Language
English (United States)

GeoGebra version
4.4
Views
3082

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