1. A ​ (a)   is a six-sided polygon.

• hexagon
• heptagon
• nonagon
• decagon

Match the following

• four-sided polygons

• Octagon

• ten-sided polygon

• Quadrilaterals

• eight-sided polygon

• Decagon

• nine-sided polygon

• Heptagon

• seven-sided polygon

• Nonagon

A ​ (a)   is a five-sided polygon.

• pentagon
• hexagon
• heptagon
• octagon

Answer explanation

This polygon is a(n) ​ (a)   .

• heptagon
• octagon
• nonagon
• pentagon

Answer explanation

This polygon is called a ​ (a)   ._

• decagon
• quadrilateral
• pentagon
• hexagon

Answer explanation

Match the following

• Pentagon

• 
• hexagon

• 
• Heptagon

• 
• Octagon

•