Polygons & Polyhedra

Which of the following shapes are not polygons?

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The name of this polygon is

• Heptagon

• octagon

• Hexagon

• Nonagon

Both of these figures are--

• Pentagons
• Octagons
• Nonagons
• Quadrilaterals

How many sides does a decagon have?

• 12
• 9
• 7
• 10

Name the polygon with seven sides.

• dodecagon
• octagon
• heptagon
• hexagon

A hexagon is a polygon with...

• 6 sides. 
• 5 sides.
• 7 sides. 

Classify this triangle by its sides and angles.

• acute & scalene

• right & scalene

• right & equilateral

• acute & equilateral

Classify this triangle by its sides and angles.

• obtuse & isosceles

• right & scalene

• right & isosceles

• obtuse & scalene

Classify this triangle by its sides and angles.

• right & scalene

• acute & isosceles

• right & isosceles

• acute & scalene

Name this triangle

• Acute, Scalene
• Obtuse, Scalene
• Right, Isosceles
• Acute, Equilateral