Regular n-gon

In a regular n-angle polygon, the internal angle is 144 degrees. Find the number n indicating the number of sides of this polygon.

Final Answer:

n =  10

Step-by-step explanation:

α=144  α = n(n2) 180° α n = 180°n  360°  n=180α360=180144360=10



Help us improve! If you spot a mistake, please let let us know. Thank you!







You need to know the following knowledge to solve this word math problem:

algebraplanimetryUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: