SOLUTION: if the sum of the interior angle of a polygon is 22 right angles find the number of its sides

Algebra ->  Angles -> SOLUTION: if the sum of the interior angle of a polygon is 22 right angles find the number of its sides      Log On


   

Question 285520: if the sum of the interior angle of a polygon is 22 right angles find the number of its sides
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
Interior angles are (n - 2)180
If that equals 22 rt angles, (n - 2) x 2 = 22
So n - 2 = 22/2 = 11
So n = 13
Check 13 - 2 = 11. 11 x 2 = 22