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Of all the line segments that can be dra...

Of all the line segments that can be drawn to a given line, from a point, not lying on it, the perpendicular line segment is the shortest. GIVEN : A straight line `l` and a point `P` not lying on `ldot` `P M_|_l` and `N` is any point on `1` other than `Mdot` TO PROVE : `P MltP N`

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