Question 15
Back to Exercise
A polygon has 44 diagonals. How many sides does it have?
- A 11 Correct
- B 12
- C 10
- D 22
Correct Answer: Option A
n(n − 3)/2 = 44 → n(n − 3) = 88 = 11 × 8
n = 11
Answer: 11
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