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Mathematics, 12.12.2019 22:31 StupidBoy
Consider the diagram. planes m and n intersect at line d. lines a, b, and e are on plane m. line a is vertical and forms a right angle with line d. line b is diagonal and goes up and to the right. line e is at the top of the plane and is close to being horizontal. line c is on plane n and is goes slightly up and to the right. lines e and c can be described as intersecting. parallel. perpendicular. skew.
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Consider the diagram. planes m and n intersect at line d. lines a, b, and e are on plane m. line a i...
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