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There are a number of ways by which we can visualise a portion of a line. State whether the following represent a portion of a line or not: A piece of elastic stretched to the breaking point. Wire between two electric poles. The line thread by which a spider lowers itself.

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RD SHARMA-BASIC GEOMETRICAL CONCEPTS-All Questions
  1. Draw a line in your notebook and name it by taking any two points on i...

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  2. Give three examples from your environment of: Points                 (...

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  3. There are a number of ways by which we can visualise a portion of a li...

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  4. Can you draw a line on the surface of a sphere which lies wholly on it...

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  5. Mark a point on a sheet of paper and draw a line passing through it. H...

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  6. mark any two points P\ a n d\ Q in your note book and draw a line pass...

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  7. Given an example of a horizontal plane and a vertical plane from your ...

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  8. How many lines may pass through one given point, two given points, any...

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  9. Is it ever possible for exactly one line to pass through three points?

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  10. Explain why it is not possible for a line to have a mid-point.

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  11. Mark three non-collinear points A ,\ B\ a n d\ C in your not book. Dra...

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  12. Coplanar points are the points that are in the same plane. Thus, Can ...

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  13. Using a ruler, check whether the following points given in fig. 10.20 ...

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  14. Lines p ,\ q are coplanar. So are the lines p ,\ r . Can conclude that...

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  15. Given three examples each of : intersecting lines              parall...

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  16. Form Fig., write all pairs of parallel lines. all pairs of intersect...

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  17. From Fig., write concurrent lines and their points of concurrence.

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  18. Mark four points A ,\ B ,\ C\ a n d\ D in your notebook such that no t...

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  19. What is the maximum number of points of intersection of three lines in...

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  20. With the help of figure, find the maximum and minimum number of points...

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