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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: 3,384
    05-31-2011 05:56 PM Go to last post
  1. How do I construct an arc sector of a circle (a slice of pizza shape)

    Dear Sketchers, I want to use the area of a sector equation, so I need to be able to construct a polygon from a central angle of the circle that...

    Started by Robwinfield, 07-22-2012 12:08 PM
    • Replies: 2
    • Views: 5,874
    07-22-2012 07:12 PM Go to last post
  2. 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: 5,253
    07-23-2012 05:20 PM Go to last post
  3. Agreement Between Distance Units and Coordinate Units

    We had an interesting tech-support question recently: “I have segment that starts at (0,0) and ends at (0,10). Call it AC. It measures 4.45784(..)...

    Started by Stek, 08-28-2012 01:43 PM
    • Replies: 0
    • Views: 2,990
    08-28-2012 01:43 PM Go to last post
  4. Function Transformations

    We had a tech support question today: "How can I drag around the function plot without moving the grid along with it?" In Sketchpad, every...

    Started by Stek, 09-20-2012 08:05 PM
    function, translation
    • Replies: 0
    • Views: 2,168
    09-20-2012 08:05 PM Go to last post
  5. Post Using Parameter Values to Activate an Action

    I'm designing a circuit that relies on Boolean logic to activate certain animations. I drew a light switch and a small circuit (series of line...

    Started by SteveZ, 09-28-2012 09:39 AM
    actions, boolean logic, conditional, parameters
    • Replies: 0
    • Views: 2,584
    09-28-2012 09:39 AM Go to last post
  6. 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: 5,341
    10-09-2012 01:22 PM Go to last post
  7. Post Visual solution required for the problems

    1. If Modulus of Z is not equal to 1, then all the values of Z/1-Z2 lie on 2. Consider f(x) = kex-x for all real x where k is a real constant....

    Started by Gopalakrishnan, 09-18-2012 07:18 AM
    • Replies: 1
    • Views: 2,971
    10-09-2012 02:30 PM Go to last post
  8. Anchoring drawing to grid

    When I rescale my grid, my drawing does not rescale with it. How do I anchor my drawing to the grid?

    Started by bnjhr, 11-13-2012 11:07 AM
    • Replies: 1
    • Views: 2,873
    11-13-2012 04:32 PM Go to last post
  9. right angle indicator/marker

    How do I get an indicator/marker/"thingy" for a right angle? I'm dropping a perpendicular in a triangle and want to show the little square in the...

    Started by EJ, 11-12-2012 02:35 PM
    perpendicular, right angle
    • Replies: 1
    • Views: 6,393
    11-13-2012 04:35 PM Go to last post
  10. Choose a default color for the grid (and use Custom Tools for other formatting magic)

    A user had a question today: his printer prints very lightly, and the light gray grid lines are hard to see on his students' printouts. The answer...

    Started by Stek, 12-04-2012 07:24 PM
    coordinate system, custom tool, grid
    • Replies: 0
    • Views: 3,441
    12-04-2012 07:24 PM Go to last post
  11. Inequalities

    Hi everyone, I can't graph inequalities. Can you help me? Thank in advance Emil

    Started by EmilLask, 11-30-2012 11:50 AM
    • Replies: 6
    • Views: 5,758
    12-04-2012 09:19 PM Go to last post
  12. 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: 4,408
    12-06-2012 10:49 AM Go to last post
  13. How did this happen?

    Hi, One of my students turned in a sketch with a function plotted. when I place the arrow/pointer near one of the end points, I get an arrow icon...

    Started by mpatterson, 12-07-2012 06:23 AM
    • Replies: 1
    • Views: 3,659
    12-08-2012 09:03 PM Go to last post
  14. Plot a function into an interval

    How can I plot a function into a defined interval? For example f(x) for x>0 or for -5 < x < 5. Thanks Emil

    Started by EmilLask, 12-07-2012 03:49 AM
    • Replies: 4
    • Views: 7,061
    12-08-2012 09:29 PM Go to last post
  15. Blinking objects

    Is there a way to make objects blink in GSP5?

    Started by amusick, 01-04-2013 06:52 AM
    • Replies: 3
    • Views: 4,989
    01-10-2013 12:03 AM Go to last post
  16. How do change the default period in a sine or cosine wave to π or 3π instead of 2π

    OK, so in the trigonometry graph I am able to plot phase shift and vertical shifts of sine and cosine waves. However, I am not able to get it to...

    Started by Robwinfield, 06-20-2012 07:30 AM
    • Replies: 4
    • Views: 17,677
    01-21-2013 03:05 AM Go to last post
  17. Dilate, then hide original?

    I have a question from a customer who is looking to dilate an entire sketch, then hide the original. The dilation is easy enough, and if we copy/...

    Started by amusick, 02-22-2013 02:18 PM
    • Replies: 1
    • Views: 3,458
    02-24-2013 08:44 PM Go to last post
  18. rectangular to polar coordinate and inverse tangent function

    I'm creating a lab for my trig classes where they use sliders to transform the x and y coordinates of a point to the polar coordinates. Everything...

    Started by Mr H, 02-23-2013 07:03 PM
    • Replies: 2
    • Views: 8,259
    02-25-2013 10:56 AM Go to last post
  19. differeential equations construction

    Hi - I can't figure out if this is the way to submit a construction. I have 3 on the solutions to certain differential equations I want to submit...

    Started by Steve, 03-24-2013 06:26 AM
    • Replies: 1
    • Views: 3,017
    03-25-2013 09:32 AM Go to last post
  20. Question How do I zoom a sketch?

    My daughter's teacher is asking her to construct quadrilaterals within quadrilaterals. How does she zoom in to get a closer look at the smaller,...

    Started by Brint, 04-05-2013 06:44 PM
    zoom
    • Replies: 1
    • Views: 14,548
    04-06-2013 09:54 PM Go to last post

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