## InterA.ConstructSegmentCopy History

June 28, 2009, at 03:17 AM by LFS -
Changed line 39 from:
to:
May 25, 2009, at 07:26 AM by LFS -
May 25, 2009, at 07:17 AM by LFS -
Changed line 39 from:
to:
Changed line 84 from:

Resource updated: 04 September 2008

to:

Resource updated: 25 May 2009

May 25, 2009, at 07:10 AM by LFS -
Changed line 8 from:
Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
to:
Note:  This InterActivity uses the GeoGebra Compass tool - release 3.2!
March 15, 2009, at 11:17 PM by LFS -
Changed line 8 from:
Note:  The compass tool has now been switched to act like a real compass (measure segment and then center)!
to:
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 -
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 -
Changed line 70 from:

[]in progress

to:

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

[tableend]

September 04, 2008, at 12:55 PM by LFS -
Changed line 87 from:
to:
September 04, 2008, at 12:41 PM by LFS -
Changed line 82 from:

Last updated:04 September 2008

to:

Resource updated: 04 September 2008

September 04, 2008, at 12:35 PM by LFS -
Changed line 7 from:
to:
September 04, 2008, at 12:34 PM by LFS -
Changed lines 7-8 from:
Goal:   Construct a congruent line segment on this line with start point P.
to:
September 04, 2008, at 12:32 PM by LFS -
Changed lines 6-8 from:
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 -
Changed line 33 from:

In the drawing space below, construct a line segment and a line and then copy the line segment onto the line.

to:

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 -
Changed line 26 from:
to:
Changed line 28 from:
to:
Changed line 31 from:
to:

In the drawing space below, construct a line segment and a line and then copy the line segment onto the line.

Changed lines 40-42 from:

to:
Changed line 44 from:

to:

[  width=110px] Global

Changed line 56 from:

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

to:

[]Standards

Changed lines 80-81 from:
to:

September 04, 2008, at 12:23 PM by LFS -
Changed lines 38-42 from:

Copy a line segment.  done:03 September 2008

[table width=100% border=0]

to:

[] Compass and Straightedge Constructions with GeoGebra
[row]
[]Brief
[]Construction #1: Copy a line segment (onto a line)
[row]
[]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]
[]none
[row]
[]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 -
Changed line 14 from:

Mathcast: See & Do

to:

Mathcast: See & Do

Changed line 19 from:

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

to:

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

September 04, 2008, at 12:06 PM by LFS -
Changed line 26 from:
to:
September 04, 2008, at 11:48 AM by LFS -
Changed line 26 from:
to:
September 04, 2008, at 11:43 AM by LFS -
Changed line 26 from:
to:
September 04, 2008, at 11:35 AM by LFS -
Changed line 15 from:

[c]

to:

[c]

Changed line 26 from:
to:
September 04, 2008, at 11:26 AM by LFS -
Changed line 26 from:
to:
Changed lines 28-42 from:

to:
Changed lines 44-87 from:

[ 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.

to:
Deleted lines 54-79:
September 04, 2008, at 11:15 AM by LFS -
Changed line 47 from:

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

to:

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

Changed line 60 from:

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

to:

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

Deleted line 65:
Changed line 70 from:

[]Click and drag endpoints of first line segment.

to:

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

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

Changed line 77 from:
to:
September 04, 2008, at 11:10 AM by LFS -
Changed lines 6-7 from:
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.
Changed line 13 from:

[ valign=middle width=40%]

to:

[c valign=middle width=40%]

Changed line 26 from:
to:
Changed lines 34-36 from:

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

to:

[]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]`

to:

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

Changed line 53 from:

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

to:

[]`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]`

to:

[]`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 -
Changed line 36 from:

a=Segment`[A,B]`

to:

`a=Segment[A,B]`

Changed line 45 from:

b=Line[C,D]

to:

`b=Line[C,D]`

Changed line 53 from:

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

to:

[]`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]

to:

[]`d=Segment[P,C]`

September 04, 2008, at 07:58 AM by LFS -
Changed line 3 from:

to:

Changed line 5 from:

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

to:

[]

Changed lines 7-8 from:
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

to:

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

Changed lines 17-18 from:
to:

[row]
[ colspan=2]

Deleted line 19:

[tableend]

Changed line 23 from:

to:

Changed lines 26-27 from:
to:
Changed line 36 from:

a=Segment[A,B]

to:

a=Segment`[A,B]`

Changed lines 81-83 from:

to:

Copy a line segment.  done:03 September 2008

September 04, 2008, at 07:48 AM by LFS -