For what value of y must LMNP be a​ parallelogram?

(A four-sided figure LMNP has two horizontal sides and two sides that fall from left to right. Figure LMNP has angles labeled as follows: L, 75 degrees; M, unlabeled; N, 75 degrees; P, y degrees.

75 degrees75°

y degreesy°

75 degrees75°

LMNP must be a parallelogram for
y equals=

my answers Is 360 or 75

asked by Geometry help
  1. y can clearly not be 360°, since that is a whole circle.

    Opposite angles must be equal.
    Adjacent angles are supplementary.

    posted by Steve
  2. So 75?

    posted by Geometry help
  3. no idea, but it seems likely. Either 75 or 105

    posted by Steve

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