Choose the most appropriate word that can substitute the given group of words.

A polygon with eight sides and eight angles.

Octagon

The most appropriate word that can substitute the given group of words is octagon.

• Triangle has 3 sides and 3 angles.
• Hexagon has 6 sides and 6 angles.
• Pentagon has 5 sides and 5 angles.
• Octagon has 8 sides and 8 angles.