Select the word which means the same as the group of words given.

A geometrical figure with eight sides

Octagon

The word that means the same as the group of words "a geometrical figure with eight sides" is octagon.

• Pentagon means a geometrical figure with five sides.
• Hexagon means a geometrical figure with six sides.
• Heptagon means a geometrical figure with seven sides.
• Octagon means a geometrical figure with eight sides.

The word octagon is the most appropriate because it specifically refers to a shape with eight sides. The other words do not have the same connotation of eight-sidedness.