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Define parallel lines....

Define parallel lines.

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MODERN PUBLICATION-INTRODUCTION TO EUCLID'S GEOMETRY-EXERCISE
  1. How many planes can be made to pass through three distinct points?

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  2. Show that every line segment has one and only one middle point.

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  3. Define parallel lines.

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  4. Define concurrent forces and describe equilibrium of concurrent forces...

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  5. If l,m and n are three straight lines such that l||m and l||n then pro...

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  6. In the fig. if PR=QS prove that PQ=RS

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  7. A,B and C are three collinear points. How many line segment can be det...

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  8. Euclidean geometry is valid only for curved surfaces.

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  9. Write True or False and Justify Your answer The edges of a surface are...

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  10. The statements that are proved are called axioms.

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  11. Two distinct intersecting lines cannot be parallel to the same line.

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  12. If a quantity B is a part of another quantity A, then A can be written...

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  13. Fill ups A line segment has…………end points.

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  14. Fill ups Rectilinear figures are formed by……………. .

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  15. Fill ups Two lines in a plane not having any common points are called…...

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  16. Fill ups Concurrent lines……..passing through a given point.

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  17. Two distinct points in a plane determine a ............ Line.

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  18. Who out of the following presented geometry in most systematic form?

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  19. Which out of the follwong mathematician gave first known proof?

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  20. Axioms are

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