6.1 Review Worksheet

6.1.1 Properties and Attributes of Polygons Tell whether each figure is a polygon. If it is a polygon, name it by the number of its sides.

1.

2.

3.

Tell whether each polygon is regular or irregular. Tell whether it is concave or convex .

4.

5.

6.

7. Find the measure of each interior angle of quadrilateral RSTV .

R

2 n °

S

6 n °

5 n °

2 n °

V

8. Find the measure of each interior angle of a regular 18-gon.

T

9. Find the sum of the interior angle measures of a convex heptagon.

325

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