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Home work: 03-04-2013 to 03-08-2013: Write only the letter of the correct answer.
1.What is the sum of the measures of the interior angles of a nonagon?
A 360°
B 540°
C 1260°
D 1620o
2.What is the sum of the measures of the interior angles of a hexagon?
A 360°
B 720°
C 1080°
D 1800°
3.What is the measure of each exterior angle of a regular quadrilateral?
A 45°
B 90°
C 180°
D 360o
4.What is the measure of each exterior angle of a regular triangle?
A 60°
B 120°
C 180°
D 360°
5.What is the measure of each interior angle of a regular pentagon?
A 72°
B 120°
C 108°
D 360°
6.What is the measure of each interior angle of a regular decagon?
A 36°
B 144°
C 180°
D 360°
7.What is the sum of the measures of the exterior angles of an octagon?
A 45°
B 135°
C 360°
D 1800°
8.What is the sum of the measures of the exterior angles of a dodecagon?
A 30°
B 150°
C 360°
D 1800°
9.How many sides does a regular polygon have if each of its interior angles measure 120°?
A 5
B 6
C 8
D 10
10.How many sides does a regular polygon have if each of its interior angles measure 108°
A 5
B 6
C 8
D 10
11.The floor tiling below consists of regular polygons. What are the number of sides of the
largest polygon?
A 9
B 10
C 12
D 14
12.The floor tiling below consists of regular polygons. What are the number of sides of the
largest polygon?
A
B
C
D
5
6
7
8
Taken from investigating Geometry online – Henrico county.
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