How many diagonals in pentagon have?

Answer 1

It has 5 diagonals.

Formula: number of distinct diagonals = n(n-3)/2

where n is the number of sides (or vertices)

number of diagonals in pentagon:

= 5(5-3)/2

= 5(2)/2

= 10/2

= 5

Answer: There are 5 diagonals in pentagon.