im.g.1.7.2.It's cool to be square.

Use straightedge and compass moves to construct a square with segment AB as one of the sides.


illustrative mathematics. geometry. unit 1. section 7. activity 2. "It's cool to be square" Licensed under the Creative Commons Attribution 4.0 license

Try doing this activity without watching the video. If you're stuck, the video shows one possible solution.