Answer :
Final answer:
In an isometric drawing, lines that are horizontal in an orthographic drawing are drawn at a 30-degree angle from the horizontal. This method helps in visually representing three-dimensional objects.
Explanation:
In an isometric drawing, lines that would appear horizontal in an orthographic drawing are drawn at a 30-degree angle from the horizontal. In engineering and architectural drawing, isometric projection is a method for visually representing three-dimensional objects in two dimensions.
In this method, the horizontal edges and planes are typically drawn at a 30-degree angle to the horizontal. It should be noted that this is a general rule and there can be variations depending on the specific design or drawing conventions used.
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