Based on the two parts of the word "hexagon", which of the following definitions is correct?

Name: Based on the two parts of the word "hexagon", which of the following definitions is correct?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The correct meaning of "hexagon" is a figure with six sides. "Hexa-" means six and "-gon" means side.
A person who is 60 years old is called a "hexagenerian".
A being with six legs is called a "hexapod".
A sequence of six letters is called a "hexagraph".

Based on the Two Parts of the Word "Hexagon", Which