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Elliptic Geometry Drawing Tools |

Back to Sketchpad at MAA Meetings '96

## Elliptic Plane

Elliptic Geometry Sample SketchThis sketch shows a triangle drawn on the surface of a sphere. Use this simple sketch in conjuction with the following scripts.

Antipodal Script

This script finds the point antipodal to A in a disk model of elliptic geometry.Circle by Center and Point Script

This script draws the circle given the center, C, and a point on the circle, A, in a disk model of elliptic geometry.Elliptic Angle Script

This script measures the angle described by three points, A, B and C, in a disk model of elliptic geometry.Elliptic Distance Script

This script measures the distance between two points, A and B, in a disk model of elliptic geometry.Elliptic Line Script

This script draws the line containing two points, A and B, in a disk model of elliptic geometry.Elliptic Segment Script

This script draws the segment containing two points, A and B, in a disk model of elliptic geometry.Elliptic Semi-line Script

This script draws the line containing two points, A and B, in a disk model of elliptic geometry.Perpendicular thru Pt off Line Script

This script draws the line through point C and perpendicular to the line through points A and B in a disk model of elliptic geometry.Perpendicular thru Pt on Line Script

This script draws the line perpendicular at A to the line throught points A and B, in a disk model of elliptic geometry.Template Sketch

This is a sketch of the basic disk model that's used in elliptic geometry.

## A Problem

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