Rectangular coordinate dimensions may be shown without using dimension lines by using a datum, which is shown as a zero line.

Name: Rectangular coordinate dimensions may be shown without using dimension lines by using a datum, which is shown as a zero line.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

In drafting and technical drawing, dimensions can be shown without using dimension lines by referencing a datum or a zero line, from which all measurements are made. This method simplifies the drawing and reduces clutter.

Rectangular Coordinate Dimensions May Be Shown Without Using Dimension Lines