Question

10. What is the rule to find the number of diagonals in a polygon?
n (n - 2) = 2
(n - 3) - 3
(n-3) + 2
n (n-3) = 2​

Answer 1

Answer:

The rule to find the number of diagonals in a polynomial is n(n - 3)/2.

That is n(n - 3) = 2.