SOLUTION: suppose the measures of the interior angles of convex nonagon are nine consecutive whole numbers. Find the measure of the second to smallest angle.
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Question 344818: suppose the measures of the interior angles of convex nonagon are nine consecutive whole numbers. Find the measure of the second to smallest angle.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The total of the interior angles on a 9-gon is 1260º
9 consecutive integers add to 1260.
1260/9 = 140, the middle number.
--> 136, 137, 138, 139, 140, 141, 142, 143 and 144
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