Mathematics, 05.09.2019 01:20 levon15

9. one angle of a quadrilateral has measure a°. find the average of the mea-
sures of the other three angles. (hint: the sum of the measures of the an-
gles of a quadrilateral is 360°.)

Answers: 3

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9. one angle of a quadrilateral has measure a°. find the average of the mea-
sures of the othe...