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So the angles are 43x and 47x, giving the sum of 43x + 47x = 90x,
where x is some, now unknown, common measure of the angles.
The sum of two consecutive angles in any parallelogram is 180 degrees, so
90x = 180, giving x = 180/90 = 2 degrees.
Thus the angles are 2*43 = 86 degrees and 2*47 = 94 degrees. ANSWER
Solved.