Uploaded November 2017 | Updated September 2026, 1 week ago

---

demonstrations.wolfram.com/TomahawkTrisectionOfAnAngle

The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.

Let ?AB?=?BC?=?CD?. Let ? be a semicircle with diameter BD. Given any angle ?AVT where VT is tangent to ? at B, the straight lines VC and VB trisect ?AVT. In other words, the triangles ?VTC, ?VBC and ?VBA are congruent.

Contributed by: Izidor Hafner

Audio created with WolframTones:
tones.wolfram.com