The sum of the angles of a parallelogram adjacent to one of its sides is 180 degrees. One of the angles of a parallelogram is 58 degrees. Find the other three angles.
In a parallelogram, the sum of adjacent angles is 180, and opposite angles are equal, then the second angle is 180 – 58 = 122.
Answer: The angles of the parallelogram are 58.122, 58.122.
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