Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics a
seventeen sidedpolygon
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
hepta- + deca- + -gon
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Examples
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At age 19, Gauss demonstrated a method for constructing a heptadecagon using only a straightedge and compass, a process that had eluded the Greeks.
ruzuzu commented on the word heptadecagon
"As 17 is a Fermat prime, the regular heptadecagon is a constructible polygon (that is, one that can be constructed using a compass and unmarked straightedge): this was shown by Carl Friedrich Gauss in 1796 at the age of 19."
-- https://en.wikipedia.org/w/index.php?title=Heptadecagon&oldid=837458759
July 12, 2018