SOLUTION: The sum of five angle of a nonagon is 900.the other four angle are equal. Find the measure of each of the equal angle

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Question 1166009: The sum of five angle of a nonagon is 900.the other four angle are equal. Find the measure of each of the equal angle
Answer by greenestamps(13198) About Me  (Show Source):
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The sum of the measures of all 9 angles is 180%289-2%29+=+180%287%29+=+1260

If x is the measure of one of the four equal angles, then

4x%2B900+=+1260

Solve using basic algebra.