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A regular polygon has each of its exterior angles as 18o. How many sides has...

Mathematics
WAEC 1992
A regular polygon has each of its exterior angles as 18o. How many sides has the polygon
  • A. 10
  • B. 11
  • C. 12
  • D. 20
  • E. 24
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Correct Answer: Option D
Explanation
360/18 = 20
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