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Diagonal is a line segment that connects to versus is in a polygon that are not already connected by a side. How many diagonals does a hexagon have?

To find the number of diagonals in a hexagon, we can use the formula:

Number of diagonals = n(n-3)/2

Where n is the number of sides in the polygon.

For a hexagon, n = 6

Number of diagonals = 6(6-3)/2
Number of diagonals = 6(3)/2
Number of diagonals = 18/2
Number of diagonals = 9

Therefore, a hexagon has 9 diagonals.