[size=100][size=150]Use compass and straightedge moves to construct a[br]square with segment AB as one of the sides. Remember - constructions use[br]construction tools - your picture must not just [i]look[/i] like a square -[br]there should be lots of circles and lines (those are the [i]constructions[/i]).[/size][/size]

Try to construct a square on your own above, but if you need a little help, work on the applet below. Segment AB has been extended into a line. Then we created circle A, which intersects line AB at point C and D. [br]Now you should construct a line perpendicular to line AB that passes through point A. [br]Now take over on your own.[br]One more hint: construct [i]another perpendicular line.[/i]

illustrative mathematics. geometry. unit 1. section 7. activity 2.[br]"It's cool to be square"[br][url=https://im.kendallhunt.com/HS/teachers/2/1/7/index.html]https://im.kendallhunt.com/HS/teachers/2/1/7/index.html[br][/url]Licensed under the Creative Commons Attribution 4.0 license[br][url=https://creativecommons.org/licenses/by/4.0/]https://creativecommons.org/licenses/by/4.0/[/url]