I don't understand. Please, help
How many diagonals are there in a polygon with 9 sides?
The answer is 36

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

https://www.mathsisfun.com/geometry/polygons-diagonals.html

However, with the formula \(\dfrac{n(n-3)}{2}\) we get \(dfrac{9(9-3)}{2}=27\) :(

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.