Name ___________________________________
HW Classify Polygons
Date ___________________
Classify the polygon by the number of sides. Tell whether the polygon is equilateral, equiangular, or
regular. Explain your reasoning.
1.
2.
3.
4. The expressions (3x + 63)° and (7x – 45)° represent the measures of two angles of a regular decagon. Find
the measure of an angle of the decagon.
Each figure is a regular polygon. Find the value of x.
7.
8.
12. Picture frames A picture frame with a wooden border is a regular triangle, as shown. You want to decorate
the frame by wrapping a ribbon around it. How many feet of ribbon are needed to wrap the ribbon around the
border one time?
Find the sum of the measures of the interior angles of the indicated convex polygon.
13. Hexagon
15. 20-gon
The sum of the measures of the interior angles of a convex polygon is given. Classify the polygon by the
number of sides.
17. 540°
18. 2520°
Find the value of x.
20.
21.
22.
23
24. The measures of the exterior angles of a convex quadrilateral are 90°, 10x°, 5x°, and 45°. What is the
measure of the largest exterior angle?