SOLUTION: A polygon has two of its interior angles to be 120 each and others are 150 each. calculate the number of sides of the polygon

Algebra ->  Polygons -> SOLUTION: A polygon has two of its interior angles to be 120 each and others are 150 each. calculate the number of sides of the polygon      Log On


   

Question 1128629: A polygon has two of its interior angles to be 120 each and others are 150 each. calculate the number of sides of the polygon
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
2*120 + 150*(n-2) = 180*(n-2)


240 = 180*(n-2) - 150*(n-2)


240 = 30*(n-2)   ====>  n-2 = 240%2F30 = 8   ====>  n = 8+2 = 10.   Answer.

Solved.