https://**en.wikipedia.org**/wiki/**Compass_and_straightedge**_**constructions**

**Compass-and-straightedge construction**, also known as ruler-and-compass construction or classical construction, is the construction of lengths, angles, and other ...

**www.mathopenref.com**/**constructions**.html

A brief introduction to **constructions** - creating various geometric objects with only **compasses** and straightedge or ruler. History and origins

xkcd.com/866

Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced ...

https://**en.wikipedia.org**/wiki/Compass_(drafting)

A compass is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, they can also be used as tools to measure distances, in ...

https://**www.khanacademy.org**/math/geometry/geometric-**constructions**/...

**Constructing an angle bisector** using a **compass and straightedge**; Compass **constructions** 1; Next section: Constructing regular polygons inscribed in circles

www.ics.uci.edu/~eppstein/junkyard/compass.html

**Compass and Straightedge** I include here both pages about the classical Greek **compass-and-straightedge** style of construction, other topics involving Greek ...

planetmath.org/**compassandstraightedgeconstruction**

A **compass and straightedge construction** is the provable creation of a geometric figure on the Euclidean plane (or complex plane) such that the figure is created using ...

https://**scratch.mit.edu**/projects/1075510

**Compass and Straightedge** on **Scratch** by fullmoon ... This one's for you, Mr. Nyberg! Our geometry class is doing pen-and-paper **constructions** at the moment.

https://**scratch.mit.edu**/projects/675864

**Virtual Straight Edge and Compass** on **Scratch** by DarthPickley ... you can use these for virtual geometry **constructions**, or just to play around with.

https://**www.mathsisfun.com**/geometry/**constructions**.html

These **constructions** use only compass, straightedge (i.e. ruler) and a pencil. This is the "pure" form of geometric construction: no numbers involved!