Page 51 - Math Course 2 (Book 2)
P. 51
Polygons
Find the sum of the measures of the interior angles of each polygon.
7. pentagon 8. 20–gon 9. nonagon 10. decagon
Find the measure of an interior angle of each polygon.
11. regular hexagon 12. regular heptagon 13. regular quadrilateral
TESSELLATIONS For Exercises 14 and 15, identify the polygons used to create each tessellation.
14.
15.
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