### Constructing congruent line segments

The most basic of all geometric constructions is constructing a segment congruent to a given segment. Geometric construction is done using a compass and straight […]

This video shows how you can use the lung-chest model to simulate the breathing process. The materials and procedures for constructing the model is found here. […]

This PowerPoint presentation shows how to construct a lung-chest model from scrap materials. You can use the model to show how the air movement inside the lungs […]

GeoGebra is a great tool for teaching mathematics. In designing or using an applet, it would be good to consider the following questions: What mathematics […]

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