What is the sum of the interior angles of a 21-gon?
Interior and Exterior Angles in Polygons
10th Grade
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Interior and Exterior Angles in Polygons
Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4140
3780
3240
3420
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What polygon has a sum of interior angles of 1620?
Undecagon
Dodecagon
Decagon
Nonagon
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of x?
75.5
38
151
21
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the measure of x?
14
156
95
109
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the measure of the interior angles of a nonagon?
1260
1080
900
1440
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the sum of the interior angles of an octagon?
1260
1080
135
900
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the sum of the measures of the interior angles of a 14-gon?
2340
1980
1470
2160
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