Why are curved lines more useful than straight lines for showing roundness of a form?
Answer and explanation
Correct answer: Because they follow the turn of the surface
The governing concept is contour and directional line used to suggest three-dimensional form. A rounded surface changes direction gradually as it turns away from the viewer. Curved lines can follow that change, making the surface appear to wrap around a sphere, cylinder or other rounded object. Option A is correct because the line direction supports the turning surface and helps the eye read volume. Straight lines may describe an edge or a plane, but they do not naturally communicate continuous roundness unless carefully arranged. Option B reverses the idea, while C and D are unrelated to visual form. Line curvature is therefore an important tool for making a flat drawing suggest depth.
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What is the correct answer to this question?
Because they follow the turn of the surface
Why is this the correct answer?
The governing concept is contour and directional line used to suggest three-dimensional form. A rounded surface changes direction gradually as it turns away from the viewer. Curved lines can follow that change, making the surface appear to wrap around a sphere, cylinder or other rounded object. Option A is correct because the line direction supports the turning surface and helps the eye read volume. Straight lines may describe an edge or a plane, but they do not naturally communicate continuous roundness unless carefully arranged. Option B reverses the idea, while C and D are unrelated to visual form. Line curvature is therefore an important tool for making a flat drawing suggest depth.
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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