All angles in an 18 sided polygon are equal?How much is each outer angles?
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Answer:
Step-by-step explanation:
No. Of sides(n) =18
Total of all angles of regular polygon=
(n-2)X180
(18-2)X180
16X180
2880
Each angle= 2880/18
=160
Exterior angle=180-interior angle
=180-160
20
Ans: each outer angle = 20 degrees
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