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.
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