What does use of cross-contour lines help us understand?
Answer and explanation
Correct answer: Curvature and volume of an object's surface
The governing concept is cross-contour drawing. Unlike an outer contour, which mainly describes the silhouette, a cross-contour line travels across the visible surface of an object. Its direction, curvature, spacing, and interruption can follow the form’s turning planes and help the viewer understand whether a surface bulges, bends, narrows, or recedes. Option A is correct because cross-contours provide information about three-dimensional curvature and volume. They do not identify a shop, calculate the price of colour, or reveal a picture’s title. Although cross-contours are not a substitute for every observation of light and structure, they are a useful line-based cue for making flat marks suggest solid form.
Frequently asked questions
What is the correct answer to this question?
Curvature and volume of an object's surface
Why is this the correct answer?
The governing concept is cross-contour drawing. Unlike an outer contour, which mainly describes the silhouette, a cross-contour line travels across the visible surface of an object. Its direction, curvature, spacing, and interruption can follow the form’s turning planes and help the viewer understand whether a surface bulges, bends, narrows, or recedes. Option A is correct because cross-contours provide information about three-dimensional curvature and volume. They do not identify a shop, calculate the price of colour, or reveal a picture’s title. Although cross-contours are not a substitute for every observation of light and structure, they are a useful line-based cue for making flat marks suggest solid form.
Which subject and chapter does this question cover?
This is a Class 9 Art Education question. Chapter: Elements of Art. Topic: Line.
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