Associations to the word «Heptagonal»
Noun
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Wiktionary
HEPTAGONAL, adjective. Having seven angles and sides.
HEPTAGONAL, adjective. (math) (of a number) Belonging to the sequence generated by the formula \(\frac{5n^2 - 3n}{2}\).
Wise words
Four things come not back. The spoken word, the sped arrow,
the past life, ad the neglected opportunity.