What is the sum of all the angles of a 11-sided polygon?
Please give answer in calculation
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1
Answer:
What is the sum of all the angles of a 11-sided polygon is 1980 degree
Step-by-step explanation:
1) (n-2) * 180
(11 - 2) * 180
9 * 180
1620
2) 1620 * 360
1980
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