What is the number of diagonals in a hexagon?


Answer:

9

Step by Step Explanation:
  1. We know that a hexagon is a polygon with 6 sides.
    Also, the number of diagonals of an n-sided polygon is given by  
    n(n-3)
    2
     .
  2. Number of sides of a hexagon (n)= 6
    So, number of diagonals =  
    n(n-3)
    2
     
    =  
    6(6-3)
    2
     
    =  
    18
    2
     
    = 9
  3. Therefore, the number of diagonals in a hexagon is 9.

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