SOLUTION: How to solve question: one angle of a quadrilateral has measure a degrees. Find the average of the measures of the other three angles.

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Question 196546This question is from textbook algebra and trigonometry
: How to solve question: one angle of a quadrilateral has measure a degrees. Find the average of the measures of the other three angles. This question is from textbook algebra and trigonometry

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
360-a is the sum of the other 3 angles.
(360-a)/3 is the average of the measures of the other 3 angles.
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Ed