Write-Up #5: Geometric Sketch Pad (GSP) Scripts

This assignment provides the different automatic sketches under the GSP application. Note that the initial conditions are stated in order to use the scripts:

Click HERE for Centroid G of a triangle, given three points.

 

Click HERE for Orthocenter H of a triangle, given three points.

 

Click HERE for Circumcenter C of a triangle, given three points.

 

Click HERE for Incenter I of a triangle, given three points.

 

Click HERE for construction of G, H, C, and I on the same triangle where there are no connecting lines among the points (Euler Line).

 

Click HERE for construction of G, H, C, and I on the same triangle with connecting lines (omitting point I) among the points (Euler Line).

Click HERE for the Circumcircle, given three points.

Click HERE for Medial Triangle, given three points.

Click HERE for Orthic Triangle, given three points.

Click HERE for Nine Point Circle of a triangle, with center N, given three points. (Orthocenter H must be inside triangle in order for circle to be drawn about center N.)

Click HERE for Internal and External Tangent Lines to two given circles given 4 points: the 1st point is the location of the larger circle, 2d point is the radius-distance of the 1st circle, 3d point is location of the smaller circle, and the 4th point is the radius-distance of the 2d circle.

Click HERE for Pedal Triangle, given three points for a triangle and an outside, fourth point.

Click HERE for Triangle and Its Orthocenter Triangles, given three points.

Click HERE for Circumcircles of a Triangle and Its Orthocenter Triangles, given three points

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