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Asked by Jack

One angle of a quadrilateral has a measure a°. Find the average of a measures of the other three angles.
12 years ago

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Answered by Damon
a + sum = 360
sum = (360 -a)
average = sum/3 = (360-a)/3 or 120 - a/3
12 years ago
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One angle of a quadrilateral has a measure a°. Find the average of a measures of the other three angles.

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