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GeoGebraGeoGebra Classroom

Dynamic cuboids

  • Define coordinates A(a,0,0), B(0,b,0), C(a,b,0) and D(0,b,0)
  • Create rectangular base using the Polygon Toolbar Imagetool
  • Construct prism using Prism Toolbar Imageor Extrude to Prism Toolbar Imagetool

Video instructions also below:

Augmenting the cuboid onto real life objects

Augmenting the cuboid onto real life objects
The image above shows a book whose spine is 20.5cm long. To calculate the volume use the volumeToolbar Image tool (in measurements section).

Comparing volumes

- Measure one side of a cuboid, use this to calibrate the scale for a 'true' measurement. - How do the augmented volumes compare to real-life measurements (i.e tape measure readings. Remember the volume of a cuboid is length x width x depth)? - What happens when you change the scale. For example, if I halved the 20.5cm spine measurement to 10.25, what would the volume tool (Toolbar Image) give me then? - Finally, investigate the ratio of volumes, i.e