heptagonal in English
adjective
[hep·tag·o·nal || hep'tægənl]
having seven sides
Use "heptagonal" in a sentence
Below are sample sentences containing the word "heptagonal" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "heptagonal", or refer to the context using the word "heptagonal" in the English Dictionary.
1. The pagoda has a heptagonal /seven-sided base.
2. For example, the sixth heptagonal number (81) minus the sixth hexagonal number (66) equals the fifth triangular number, 15.