Which are parallel lines?
Answer and explanation
Correct answer: Lines that move side by side at equal distance
Parallel lines are two or more lines in the same plane that remain the same distance apart and do not meet, even if they are extended. Therefore, option A gives the correct definition. Railway tracks are a familiar practical example because the rails run side by side at an approximately constant distance. Lines that become round are curved or circular forms, not necessarily parallel; a line staying at one point is a point rather than a line; and an invisible line is not a meaningful definition of parallelism. The governing concept is constant separation and non-intersection. In a drawing, the lines may be horizontal, vertical or slanted, provided their direction remains consistent and their distance does not change.
Frequently asked questions
What is the correct answer to this question?
Lines that move side by side at equal distance
Why is this the correct answer?
Parallel lines are two or more lines in the same plane that remain the same distance apart and do not meet, even if they are extended. Therefore, option A gives the correct definition. Railway tracks are a familiar practical example because the rails run side by side at an approximately constant distance. Lines that become round are curved or circular forms, not necessarily parallel; a line staying at one point is a point rather than a line; and an invisible line is not a meaningful definition of parallelism. The governing concept is constant separation and non-intersection. In a drawing, the lines may be horizontal, vertical or slanted, provided their direction remains consistent and their distance does not change.
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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