madison9066 madison9066
  • 17-05-2022
  • Mathematics
contestada

If a polygon had 275diagonals, how many sides
must it have?

Respuesta :

Colette3x Colette3x
  • 17-05-2022

Answer:

25 sides

Step-by-step explanation:

Number of diagonals = n(n-1)/2 where n is the number of sides.

Therefore,

n(n-1)/2 = 275

n = 25

Answer Link

Otras preguntas

a) Find the value of 15 – 3 x 4​
1. How were many Americans exposed to the ideas of the Federalists?
Maps that use data to define the shape and size of a territory are called? A. Cartogram B. Flow-line maps C. Qualitative maps D. Political maps
can someone me In a paragraph of at least five sentences, explain why you agree or disagree with the following statement. In order to truly understand an event
-3²-7· -3+6 will give brainiest please!!! i need it answered
Follow the directions on the top of the page and use the model on top of #1 to answer the other questions in simplified Chinese characters.
Read this excerpt from Through the Looking-Glass by Lewis Carroll. This sounded nonsense to Alice, so she said nothing, but set off at once towards the Red Quee
What was it difficult for people in different states to trade with one another
Who would the Puritans most likely blame for a devastating drought? A. wealthy merchants B. the devil C. the governorD. poor farmers​
Explain the role of the roundheads in the civil war​