3 'nearSQUARES'
Here are three shapes that can become square.
For each shape can you devise a measure of how close the shape comes to being square?
Can you devise a single measure of 'closeness to square' that works for more than one shape?
Give an example, or explain why not?
Can you devise a single measure of 'closeness to square' that works for all three shapes?
Give an example, or explain why not?
What questions could / would you put to your students based on this applet?
.