alleryWho proved in 1837 that an arbitrary angle cannot be trisected with ruler and compass?
ACarl Gauss
BDavid Hilbert
CPierre Wantzel
DFerdinand Gauss
Answer & Solution
Correct answer: C. Pierre Wantzel
1. Pierre Wantzel published the impossibility proof in 1837.
2. He used field theory, not drawing attempts.
3. Gauss showed the 17-gon is constructible, and Lindemann proved pi is transcendental in 1882.
_Source: Wikipedia, Straightedge and compass construction, section History_
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