Day 69: Is it a Square?

As it was with the rest of the unit, so it continues.

We do some work around trying to figure out whether shapes are squares or rectangles, ideally with coordinate geometry. But to start, we look at whether or not a shape is a square or rectangle as a shape (without coordinates).

Some fascinating conversations here. I wish I could have recorded them better. I also wish we had done this as a sort.

2016-11-29-10-49-39

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