Respuesta :

Answer:

Step-by-step explanation:

(n - 2)180/n = interior angle

(n - 2)180/n= 144

(n - 2)180 = 144n

180n - 360 = 144n

180n - 144n = 360

36n = 360

n = 360/36

n = 10

Number of side is 10