Question

definition of Nanagon​

Answer 1

Step-by-step explanation:

In geometry, a nonagon or enneagon is a nine-sided polygon or 9-gon. The name nonagon is a prefix hybrid formation, from Latin, used equivalently, attested already in the 16th century in French nonogone and in English from the 17th century. 

Answer 2

Step-by-step explanation:

In geometry, a nonagon or enneagon is a nine-sided polygon or 9-gon. The name nonagon is a prefix hybrid formation, from Latin, used equivalently, attested already in the 16th century in French nonogone and in English from the 17th century.