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NCTM 2015 Annual Meeting & Exposition

Please note: The NCTM conference program is subject to change.

280- Historical Geometric Constructions: Using Ruler, Compass, and the Mira

Thursday, April 16, 2015: 2:45 PM-4:00 PM
157 B/C (BCEC)


Lead Speaker:
James Fulmer
Lianfang Lu


Participants will be introduced to the six basic geometric constructions, and then use ruler, compass, protractor, and the Mira as construction tools. Historical constructions will include Fermat’s point, the Euler line, the golden ratio and rectangle, Napoleon’s circle, Napoleon’s theorem, Feurbach circle, Simson line, DelGrande line, and golden triangle.


Presentation Format: Preservice and In-Service Gallery Workshop