The answer is 486.6
There are 8,760 hours in a year, so 18 divided by 8,760 would = 486.6
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Step-by-step explanation:
Answer:

C.E.: x <em>=/=</em> -4
Step-by-step explanation:

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothegm. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothegm = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.