Long description
Lines Ay B and C D are parallel. A transverse line rises through Ay B and C D. Where it intersects Ay B is an angle of 52 degrees to the lower left of the intersection, and where it intersects C D is angle 2 to the upper left. A ray extends from the lower right of this intersection, falling through Ay B. The ray is perpendicular to the transverse line. Where it intersects Ay B is angle 1 to the upper left. The transverse, ray, and line Ay B create a right triangle.
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