The sum of the interior angles of a pentagon is 6x + 6y. Find y

MATHEMATICS
JAMB 2004

The sum of the interior angles of a pentagon is 6x + 6y. Find y in the terms of x

  • A. y = 90 - x
  • B. y = 150 - x
  • C. y = 60 - x
  • D. y = 120 -x

Correct Answer: A. y = 90 - x



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