Something that is shaped something like an L such as a bracket. What is the proper term to describe this shape geometrically.
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closed as unclear what you're asking by Janus Bahs Jacquet, user49727, Hellion, John M. Landsberg, choster Sep 24 '13 at 22:10
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In 2-D, if the line does not enclose a space (e.g., a hexagon) then a figure with two connected straight lines can be termed "perpendicular line segments" or a "vertex." Vertex is more general, p.l.s. means the two lines are at 90 degrees to one another.
But a bracket is a solid object, a drawing of a bracket could be in 2-D or 3-D. If your 2-D, L-shaped object were drawn showing the width of the two segments then the general term would be a polygon. Imagine a cross with the top part lopped off, the two parts each has a width and a length.
I think what you call it would depend on the context.
I'd just call it an 'EL' in general.
But if you're looking at any angle and not just a right-angled L, I think you could call it an open-triangle although you wouldn't call it a single word.