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Key Concept Quiz 7.3
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1
The company patch for a safari park is designed in the shape of a regular polygon with 12 sides. Find the measure of each of the exterior angles.
A)12°
B)15°
C)30°
D)60°
2
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A novelty donut is made in the shape of a regular polygon with 9 sides. Find the sum of the interior angles of the "hole".
A)900°
B)1260°
C)1620°
D)1980°
3
Find the measure of each of the interior angles of the donut hole in question#2.
A)252°
B)180°
C)140°
D)114.5°
4
The sum of the interior angles of a polygon is 1980°. Find the number of sides.
A)13
B)11
C)10
D)9
5
Find the measure of each of the interior angles of the polygon in question#4.
A)198°
B)180°
C)165°
D)152.3°





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