Distance with Obstacle Measurement
Determine the distance between two places, M, and N, between which there is an obstacle so that place N is not visible from place M. The angles MAN = 130°, NBM = 109°, and the distances |AM| = 54, |BM| = 60, while the points A, B, and M lie on one straight line.
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geometryplanimetrygoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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