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Forum: Construction Questions

Post specific constructions questions in this forum.

  1. Sticky Thread Sticky: Forum for construction questions

    If you have a how-to question, please post to the Construction Questions forum. You can attach sketches to your post. Happy sketching! ...

    Started by Elizabeth DeCarli, 05-31-2011 05:56 PM
    • Replies: 0
    • Views: 3,741
    05-31-2011 05:56 PM Go to last post
  1. How can I construct an ellipse given one focus and two points on the ellipse?

    I created the attached sketch to answer your question. Here is a snapshot from the sketch that I'll refer to in my explanation below. (Click on image...

    Started by Andres, 07-23-2012 05:20 PM
    • Replies: 0
    • Views: 5,545
    07-23-2012 05:20 PM Go to last post
  2. Help Constructing an n-gon

    I am trying to construct an inscribed n-gon to represent a pizza with n slices. This is for my 7th grade fraction lessons. I know it could be...

    Started by MsenoJ, 09-29-2012 03:24 PM
    • Replies: 3
    • Views: 5,510
    10-09-2012 01:22 PM Go to last post
  3. Keeping measurement with segment

    I have many sketches where I have segments that move. I can find the measure, but it is just stationary along the sides or top. I downloaded a...

    Started by cnelsonw, 04-15-2013 09:39 AM
    • Replies: 4
    • Views: 5,444
    07-05-2013 10:51 AM Go to last post
  4. Sound

    Sorry for my English. Help, please! Does anyone know how to make a sound in the GSP 5 limited specified period of time? Thank you! Jan.

    Started by Janka, 05-26-2011 10:56 PM
    • Replies: 5
    • Views: 5,328
    05-31-2011 12:43 PM Go to last post
  5. Blinking objects

    Is there a way to make objects blink in GSP5?

    Started by amusick, 01-04-2013 06:52 AM
    • Replies: 3
    • Views: 5,177
    01-10-2013 12:03 AM Go to last post
  6. Unhappy Out of Phase Epitrochoid

    Hi, I'm having trouble generating the accurate trace of an epitrochoid by rotating a circle of radius 'r' around a larger circle of radius '2r'. On...

    Started by VicR, 05-31-2013 04:05 AM
    • Replies: 2
    • Views: 5,116
    06-09-2013 12:45 PM Go to last post
  7. Rectangle with a fixed Perimeter

    How do I make a rectangle with a fixed perimeter? I want to be able to alter the rectangle to record its area. (Great idea to have this forum,...

    Started by Maggie L., 01-31-2012 02:41 PM
    • Replies: 2
    • Views: 5,002
    01-31-2012 04:34 PM Go to last post
  8. Displaying Slopes and Other Values as Fractions

    I recently received a tech-support question that asked ----------- Is there a way to get sketchpad to display the slope of a line or segment in...

    Started by Stek, 06-12-2012 10:23 AM
    • Replies: 0
    • Views: 4,784
    06-12-2012 10:23 AM Go to last post
  9. Math Symbols

    How can I write other math symbols than the set in Text Toolbar? For example, if I want to write Set Theory Symbols or Logic Symbols. Thanks ...

    Started by EmilLask, 12-04-2012 12:28 PM
    • Replies: 4
    • Views: 4,631
    12-06-2012 10:49 AM Go to last post
  10. Please Help with Dragon Fractals!!!

    Can someone please help me construct a Dragon fractal in GSP. I am a graduate student in math edu program and I need to present on this, but I just...

    Started by leksa, 04-19-2011 12:28 PM
    • Replies: 2
    • Views: 4,499
    04-20-2011 03:43 PM Go to last post
  11. Constructing an Annulus

    A participant in an online course just wrote me to ask how to construct an annulus (the region between two concentric circles). She tried...

    Started by Stek, 03-12-2012 05:45 AM
    circle annulus locus
    • Replies: 0
    • Views: 4,487
    03-12-2012 05:45 AM Go to last post
  12. Lock point to area

    How can I lock a point to the area of a polygon (say a triangle). I can lock it to the perimeter, but what about the area. Or, another option--in...

    Started by bnussbaum, 04-17-2012 11:46 AM
    • Replies: 3
    • Views: 4,473
    05-01-2012 09:13 AM Go to last post
  13. Smile Suggestions/Tips for Non-Euclidean Geometry

    Hello! Does anyone have any suggestions/tips for how to work with Non-Euclidean Geometry in GSP5?? I'm mainly interested in Hyperbolic or...

    Started by courtneyheltzel, 11-18-2010 03:20 PM
    • Replies: 2
    • Views: 4,457
    11-18-2010 05:54 PM Go to last post
  14. Open endpoints on segments and rays

    Its not really a contruction question... I want to create an open circle for an endpoint. This would seem logical to be in the point style...

    Started by PapaG, 09-20-2011 09:49 AM
    • Replies: 4
    • Views: 4,259
    10-03-2011 10:03 AM Go to last post
  15. Reset Buttons?

    Hi All, I have created a Transformation activity for my students. Currently the only way I know to reset their work from class to class is to make...

    Started by OldManMath, 03-22-2012 05:38 AM
    reset, save changes, transformations
    • Replies: 2
    • Views: 4,147
    04-30-2012 07:42 PM Go to last post
  16. Arc interior or segment interior

    Please let me know if we have any way by which we can create Arc or Segment interior in GSP.

    Started by Vicky_1984, 07-27-2013 04:16 AM
    • Replies: 1
    • Views: 4,104
    07-27-2013 06:52 PM Go to last post
  17. Measurements in Graph Units

    I had a question recently about making measurements in graph units: length measurements of segments and arcs, radii of circles and arcs, and...

    Started by Stek, 04-12-2012 03:22 PM
    arcs, circles, graph units, measurements
    • Replies: 0
    • Views: 4,060
    04-12-2012 03:22 PM Go to last post
  18. How to make an "Erase Traces" button

    I recently received an inquiry from Nick, a high school student: "It would be very helpful to add an action button that erases all traces. ...

    Started by Scott, 09-13-2013 10:44 AM
    • Replies: 0
    • Views: 3,972
    09-13-2013 10:44 AM Go to last post
  19. How do I make angles that are not even multiples of 360 such as 60, 30 and exact leng

    How do I make an angle that is π3 or π6, for example? Bisect is an option but trisect is not. Also, is there a way to type in the measurement one...

    Started by Robwinfield, 06-12-2012 08:13 AM
    • Replies: 3
    • Views: 3,952
    07-01-2012 06:24 AM Go to last post
  20. 3D rectangle construction

    How do you construct a 3D rectangle which can be modified by dragging the vertices but still maintain being a rectangle, be allowed to see the...

    Started by Brett Mulvey, 05-03-2012 09:03 AM
    • Replies: 1
    • Views: 3,880
    05-06-2012 07:49 PM Go to last post

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