Question

A quadrilateral has two diagonals, a pentagon has five diagonals, and a hexagon has nine diagonals. can you find the general formula which will give you the number of diagonals of an n-sided polygon? in your formula, the variable n will be the number of sides of the polygon.​

Answer 1

Answer:

Step-by-step explanation:

Your can find it by n(n-3)/2. Here n is number of sides

Answer 2

Step-by-step explanation:

To find the number of diagonals of a polygon

[n (n -1)/2 -n

= n(n-3)/2

hope it helps u......