InterA.ConstructSegmentCopy History

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June 28, 2009, at 03:17 AM by LFS -
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May 25, 2009, at 07:26 AM by LFS -
May 25, 2009, at 07:17 AM by LFS -
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Resource updated: 04 September 2008

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Resource updated: 25 May 2009

May 25, 2009, at 07:10 AM by LFS -
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Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
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Note:  This InterActivity uses the GeoGebra Compass tool - release 3.2!
March 15, 2009, at 11:17 PM by LFS -
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Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
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Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
March 15, 2009, at 11:16 PM by LFS -
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Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
September 06, 2008, at 01:44 AM by LFS -
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[]in progress

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[]You can download everything; a zip is in progress ...

September 04, 2008, at 02:46 PM by LFS -
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[tableend]

September 04, 2008, at 12:55 PM by LFS -
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September 04, 2008, at 12:41 PM by LFS -
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Last updated:04 September 2008

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Resource updated: 04 September 2008

September 04, 2008, at 12:35 PM by LFS -
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September 04, 2008, at 12:34 PM by LFS -
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Goal:   Construct a congruent line segment on this line with start point P.
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September 04, 2008, at 12:32 PM by LFS -
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Given: A line segment with start point A and a line with point P on it.
Goal:   Construct a congruent line segment on this line with start point P.

           (That is, the lengths of the segments are equal).

to:
Given: A line segment with start point A and a line with point P on it.
Goal:   Construct a congruent line segment on this line with start point P.

           (Congruent: the lengths of the segments are equal).

September 04, 2008, at 12:30 PM by LFS -
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In the drawing space below, construct a line segment and a line and then copy the line segment onto the line.

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Go for it! Construct a line segment and a line and then copy the line segment onto the line.

September 04, 2008, at 12:29 PM by LFS -
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In the drawing space below, construct a line segment and a line and then copy the line segment onto the line.

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[table class=column border=1 width=100% cellpadding=3]

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[  width=110px] Metadata

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[  width=110px] Global

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[]Standard5MG.2.1, 7MG.3.1, GEO.16.0

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[]Standards

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September 04, 2008, at 12:23 PM by LFS -
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Copy a line segment.  done:03 September 2008

 

 

[table width=100% border=0]

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[table class=column border=1 width=100% cellpadding=3]

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[  width=110px] Metadata
[] Compass and Straightedge Constructions with GeoGebra
[row]
[]Brief
[]Construction #1: Copy a line segment (onto a line)
[row]
[]Grade
[]5th-Geometry
[row]
[]Strand
[]Measurement and Geometry, Geometry
[row]
[]Standard5MG.2.1, 7MG.3.1, GEO.16.0
[]CA 5.MG.2.7 - CA 7.MG.3.1 - CA Geometry 16.0
[row]
[]Keywords
[]construction, straightedge, compass, ruler, geogebra, geometry, segment, copy
[row]
[]Comments
[]none
[row]
[]Download
[]in progress
[row]
[]Author
[]LFS - contact
[row]
[]Type
[]Freeware - Available for Offline and Online Use - Translatable (html)
[row]
[]Use
[]Requires sunJava player
[tableend]

Last updated:04 September 2008

 

 

[table width=100% border=0]
[row]

September 04, 2008, at 12:09 PM by LFS -
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Mathcast: See & Do

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Mathcast: See & Do

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      Reference: http://www.mathopenref.com/constcopysegment.html%%

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      Reference: http://www.mathopenref.com/constcopysegment.html

September 04, 2008, at 12:06 PM by LFS -
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September 04, 2008, at 11:48 AM by LFS -
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September 04, 2008, at 11:43 AM by LFS -
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September 04, 2008, at 11:35 AM by LFS -
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[c]

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[c]

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September 04, 2008, at 11:26 AM by LFS -
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[table border=1 cellpadding=3]

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[ colspan=3]Do the givens.
[row]
[c]Attach:GgbActivity/segment.jpg Δ
[]Draw line segment by clicking twice in drawing pad.
[]Point A
Point B
a=Segment[A,B]
[row]
[ colspan=3]Labeling: Use right-click to hide/show labels on endpoints and segment.

Decorate: Right-click on segment, choose properties, color tab: red, style tab: thickness=5. Click on Close.

[row]
[c]Attach:GgbActivity/line.jpg Δ
[]Draw line segment by clicking twice in drawing pad.
[]Point C
Point D
b=Line[C,D]
[row]
[ colspan=3]Labeling: Use right-click to rename C -> P and to hide point D.
[row]
[ colspan=3]Copy the segment.
[row]
[c]Attach:GgbActivity/compass.jpg Δ
[]Draw circle with center P and radius the segment by clicking on points P, A and B.
[]Circle c=Circle[P, Segment[A, B]
[row]
[c]Attach:GgbActivity/intersect.jpg Δ
[]Draw point C by clicking on 2nd intersection point of circle and line.
[]C=Intersect[c, b, 2].
[row]
[c]Attach:GgbActivity/line.jpg Δ
[]Draw line segment by clicking on points P and C.
[]d=Segment[P,C]
[row]
[ colspan=3]Labeling: Use right-click to hide/show labels on segment.

Decorate: Right-click on new segment, choose "Segment d", choose "Properties", color tab: red, style tab: thickness=5. Don't close.
Click on "Circle c", style tab: line style-dotted. Click on Close.

[row]
[ colspan=3]Check construction.
[row]
[c]Attach:GgbActivity/move.jpg Δ
[]Click and drag endpoints of first line segment to change its length.
[]Copied line segment should match changes.
[row]
[ colspan=3]Save construction. Command: File -> Save.

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September 04, 2008, at 11:15 AM by LFS -
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[ colspan=3]Labeling: Use right-click to rename C -> P and hide point D.

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[ colspan=3]Labeling: Use right-click to rename C -> P and to hide point D.

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[]Draw line segment by clicking twice in drawing pad.

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[]Draw line segment by clicking on points P and C.

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[]Click and drag endpoints of first line segment.

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[]Click and drag endpoints of first line segment to change its length.

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[row]
[ colspan=3]Save construction. Command: File -> Save.

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September 04, 2008, at 11:10 AM by LFS -
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Given: A line segment with start point A and a line with point P on it.
Goal: Construct a line segment with start point P on this line such that the line segments are congruent.
to:
Given: A line segment with start point A and a line with point P on it.
Goal:   Construct a congruent line segment on this line with start point P.
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[ valign=middle width=40%]

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[c valign=middle width=40%]

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[]Point A
Point B
a=Segment[A,B]

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[]Point A
Point B
a=Segment[A,B]

Changed line 39 from:
Decorate: Right-click on segment, choose properties, color tab: red, style tab: thickness=5.
to:
Decorate: Right-click on segment, choose properties, color tab: red, style tab: thickness=5. Click on Close.
Changed lines 43-45 from:

[]Point C
Point D
b=Line[C,D]

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[]Point C
Point D
b=Line[C,D]

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[]Circle c=Circle[P, Segment[A, B]

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[]Circle c=Circle[P, Segment[A, B]

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[]C=Intersect[c, b, 2].

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[]C=Intersect[c, b, 2].

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[]d=Segment[P,C]

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[]d=Segment[P,C]

Changed lines 64-66 from:
Decorate: Right-click on new segment, choose "Segment d", choose "Properties", color tab: red, style tab: thickness=5.
to:
Decorate: Right-click on new segment, choose "Segment d", choose "Properties", color tab: red, style tab: thickness=5. Don't close.
Click on "Circle c", style tab: line style-dotted. Click on Close.
September 04, 2008, at 08:00 AM by LFS -
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a=Segment[A,B]

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a=Segment[A,B]

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b=Line[C,D]

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b=Line[C,D]

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[]Circle c=Circle[P, Segment[A, B]

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[]Circle c=Circle[P, Segment[A, B]

Changed line 57 from:

[]C=Intersect[c, b, 2].

to:

[]C=Intersect[c, b, 2].

Changed line 61 from:

[]d=Segment[P,C]

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[]d=Segment[P,C]

September 04, 2008, at 07:58 AM by LFS -
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[table border=1 cellpadding=3]

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[table border=1 cellpadding=3 width=810]

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[ ]Copy a line segment.  done:03 September 2008

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[]

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Goal: Construct a line segment with start point P on this line such that the line segments are congruent (lengths are equal).
to:
Goal: Construct a line segment with start point P on this line such that the line segments are congruent.

           (That is, the lengths of the segments are equal).

Changed lines 11-13 from:

Mathcast: See & Do     

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[table cellpadding=5]
[row]
[ valign=middle width=40%]
Mathcast: See & Do
[c]

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[row]
[ colspan=2]

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[tableend]

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[table border=1 cellpadding=3

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[table border=1 cellpadding=3 width=810]

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a=Segment[A,B]

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a=Segment[A,B]

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Copy a line segment.  done:03 September 2008

 

September 04, 2008, at 07:48 AM by LFS -
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Page last modified on June 28, 2009, at 03:17 AM