SOLUTION: How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?

Algebra ->  Finance -> SOLUTION: How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?      Log On


   

Question 1017079: How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?
--------------------------------------------------------------

The sum of interior angles of an n-sided polygon is 180*(n-2).

So, n-2 = 1260%2F180 = 7.

Thus n=9. It is a 9-sided polygon.