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What is the main function of cross-contour lines?

Answer and explanation

Correct answer: To show volume and direction across the surface

The governing concept is the description of three-dimensional form through surface direction. Cross-contour lines travel across an object rather than merely around its outside edge, and their bending indicates how the surface curves, rises, or turns in space. Thus option A is correct: they help the viewer understand volume and orientation. They are not page divisions, shadow outlines, or labels, although shading may later support the same sense of form.

Related tags

Cross ContourSketchingVolumeSurface DirectionDrawing BasicsArt EducationClass 9 Mcq

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