GSP

Geometers' Sketchpad Activities

View one of the following files. Write a brief description after the link.

This file is about the sum of angles in any polygon from a Triangle to a Decagon and beyond. This file is about the sum of the exterior angles of different shapes. This file relates the lengths of radius, diameter, circumfernce, area, and chord length of circles. This file introduces the user to several construction tools related to points, angles and lines. This file contains an image of a right angle triangle surrounded by semi-circles and their areas.

This file is about centroid, orthocenter, incenter and circumcenter of triangles. It uses a map of Killarney P.P.