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10 May, 08:38

Determine the central angle and sum of exterior angles of an irregular nonagon

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  1. 10 May, 10:10
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    Step-by-step explanation:

    You cannot find the exterior angles of any irregular nonagon. If it is a regular one, then you can. A regular nonagon has 9 sides and so 9 exterior angles all of which are equal to 360/9 = 40 degrees. The interior angle = 180 - 40 = 140 degrees.
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