Question

what is the term for a four - sided polygon? a pentagon an octagon a quadrilateral an decagon

Explanation:

A polygon is a closed - figure with straight sides. The prefixes in the names of polygons indicate the number of sides.

• "Penta -" means five, so a pentagon has five sides.
• "Octa -" means eight, so an octagon has eight sides.
• "Quadri -" means four, so a quadrilateral has four sides.
• "Deca -" means ten, so a decagon has ten sides.

Answer:

a quadrilateral