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A line is a geometric primitive that has no ____________

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in Civil Engineering Drawing by (128k points)
A line is a geometric primitive that has no ____________

(a) length

(b) point

(c) direction

(d) thickness

I had been asked this question in an international level competition.

Origin of the question is Projection of Straight Lines in portion Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing

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Right option is (d) thickness

Easiest explanation: A point has no length or width. It has no thickness. Point is a mark of position. A point specifies the exact location. Point is denoted by a dot (.) and is named by an alphabet. Line is composed of infinite points and so here it can be said that a line also does not have thickness.

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