The sum of the interior angle of pentagon is 6x + 6y. Find y in
MATHEMATICS
JAMB 2020
The sum of the interior angle of pentagon is 6x + 6y. Find y in terms of x.
- A. y = 6 - x
- B. y = 90 - x
- C. y = 120 - x
- D. y = 150 - x
Correct Answer: B. y = 90 - x
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