Compass and Straightedge Construction with Robocompass App

After introducing Primo, a new math game, I would also like to introduce Robocompass app, one of the latest online apps for compass and straightedge construction. It was only released three weeks ago. Robocompass is an application that allows users to type commands and then turn those commands into an animated compass and straightedge construction. What […]
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Geometer’s Sketchpad Tutorial 4 – Constructing a Square

In this tutorial, we will use the Geometer’s Sketchpad version to mimic the compass and straightedge construction tool we use in elementary geometry. The idea in constructing a square is to use the radii of congruent circles. Before beginning the construction, see Figure 3 so that you will have an idea of what we are […]
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