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What You See Is What You Get: Investigations with a View Tube
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Obara, Samuel – Australian Senior Mathematics Journal, 2009
This paper presents an investigation by pre-service secondary school teachers in a geometry class of the relationship between the perpendicular distance from the eyeball to the wall (x) and the viewable vertical distance on the wall (y) using a view tube of constant length and diameter. In undertaking the investigation, students used tabular and…
Descriptors: Investigations, Secondary School Teachers, Geometry, Preservice Teacher Education