Commit fa900557 authored by Christian Tischer's avatar Christian Tischer

Improve shape module

parent 2fa2c2d3
......@@ -317,6 +317,14 @@ Fill in the blanks, using these words: less, more, 8, 255, 4, more.
* Add a calibration to the image and check which shape measurements are affected.
* Draw a test image to understand the shape measurements even better.
### Activity: Explore sampling limits
* Draw a square (=circle) of 2x2 pixels (paper, whiteboard, ...)
* Measure area, perimeter and circularity
* Discuss the results
* Discuss the England's coastline paradox
### Formative assessment
True or false? Discuss with your neighbour!
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