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the measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. explain how to find the measures of all the interior angles of the parallelogram.

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well, you know that in a ||gram, the adjacent angles must add up to 180°

let one angle be Ø,
the other is 3Ø-12

solve Ø + 3Ø-12 = 180

etc

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