6.1.1 Properties and Attributes of Polygons - Worksheet
Example 1: Tell whether each outlined shape is a polygon. If it is a polygon, name it by the number of its sides. 1. 2. 3. 4.
Example 2: Tell whether each polygon is regular or irregular. Tell whether it is concave or convex. 5. 6. 7.
Example 3: 8. Find the measure of each interior angle of pentagon ABCDE.
C
5 z °
B
4 z °
D
3 z °
5 z °
3 z °
E
A
9. Find the measure of each interior angle of a regular dodecagon.
10. Find the sum of the interior angle measures of a convex 20-gon.
13
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