8.1-8.2 Practice

Which of the following shapes are not polygons?

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Classify this polygon

• Regular

• Irregular

The name of a polygon with 5 sides is:

• Pentagon

• Nonagon

• Fivetagon

• Octagon

What type of polygon is this?

• concave

• convex

What type of polygon is this?

• concave

• convex

What type of polygon is this?

• concave

• convex

What type of polygon is this?

• concave

• convex

What type of polygon is this?

• concave

• convex

What is a regular polygon?

• A polygon that has 1 set of parallel sides and 1 right angle.

• A polygon that has 2 sets of parallel sides and 2 right angles.

• A polygon that has 2 right angles and 2 sides congruent.

• A polygon in which all sides and all angles are congruent.

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168°