Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2021 — Part 10 Question 85

Math Olympiad Vault · MathNet 2021 — Part 10

Question 85

In a convex polygon, the number of diagonals is $23$ times the number of its sides. How many sides does it have?
  1. $46$
  2. $49$
  3. $66$
  4. $69$