How to construct a 30-60-90 triangle with compass and straightedge or ruler - Math Open Reference

Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler

Activity #22__Construct a 30 - 60 - 90 Triangle – GeoGebra

Triangle Ruler Set: 30°/60° and 45°/90° - Measurement

PPT) Varsity Tutors: Geometry Art and Design Class #2 (Triangular Composition)

Plane Geometry - Bruce E. Shapiro

Is there an easy way to know whether an angle can be constructed using ruler and compass? - Quora

How to construct the angles of 60 degrees, 120 degrees and 30 degrees - Quora

Construct a Triangle 30°, 60°, 90° given the hypotenuse - Technical Graphics

parallelUniverses [licensed for non-commercial use only] / Digital Compass and Straightedge

The Hidden Hexagon – Lost Art Press