In an isometric drawing, the lines for width, length, and depth are inclined at an angle of how many degrees?

In an isometric drawing, the width, length, and depth are depicted at an angle of 30 degrees relative to the horizontal plane. This method allows for a three-dimensional representation on a two-dimensional plane without distortion of proportions, which is essential in technical drawing. The 30-degree inclination creates a clear visualization of the object's dimensions, making it easier to interpret.

In an isometric perspective, objects are represented where the axes are equally spaced at 120 degrees apart, resulting in 30-degree angles from the horizontal. This unique approach to representational drawing maintains uniformity in scale without altering the dimensions of the object being illustrated. Hence, the angle of 30 degrees is fundamentally important for achieving appropriate and accurate isometric drawings.