SOLUTION: Darnell draws a polygon with all congruent angles . The sum of the measures of the interior angles is 1260 . What is the measure of each interior angles

Algebra ->  Polygons -> SOLUTION: Darnell draws a polygon with all congruent angles . The sum of the measures of the interior angles is 1260 . What is the measure of each interior angles       Log On

180*(n-2) = 1260,

n - 2 =  =  7,

n = 7 + 2 = 9.

Answer. 9 sides. The interior angle is  = 140 degs.