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What is a dimension line?
Lines that define the parameters of a dimension.Dimension lines are thin lines terminating in arrowheads. Place dimension lines no closer than 3/8" from the object outline. Parallel dimension lines should be a minimum of 1/4" apart. You may place parallel dimension lines more than 1/4" apart so long as the spacing between dimension lines is uniform throughout the drawing. Dimension lines are generally broken in the center of the line to provide a space for the dimension figure. Dimension figures for parallel dimension lines are staggered. In some structural or architectural drawings, you may find dimension figures placed above the dimension line.
How many lines are there in the first dimension?
Just one.
What is a witness lines?
In CAD"A witness line is part of a dimension. It's the line that extends from the outside edges of the object being dimensioned, to where the dimension text is printed. It helps to point out what points on the object the dimension is measured from."Definition of witness, relating to witness lines"b. One who furnishes evidence."
A shape with 2 sides?
A shape with two sides cannot exist in our dimension. A shape must have at least three lines, except in the case of the circle which can be said to be made up of either one line or an infinite number of lines.
How many dimensions make up a line?
A line has one dimension- length. This is evident if we compare a line to a point and a plane figure. A point has no dimension; it merely marks a location. A plane figure, such as a square, circle, or triangle, has two dimensions. They have both length and height. A line is between a point and a plane figure. It has length, but it does not have width. ------------------------ 1 dimension. Here is a comparison of dimensions: 0 (dimension): Point 1: Lines 2: Plane 3: Solid, space 4+: Hypersurfaces, hypercubes, Klein bottles
