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Using the slope of line, show that the p...

Using the slope of line, show that the points `(-1,-2)`, `(0,4)`, `(3,3)` and `(2,-3)` are the vertices of a parallelogram.

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NAGEEN PRAKASHAN-STRAIGHT LINES-Exercise
  1. Without using Pythagoras theorem, show that A(4,4),\ B(3,5)a n d\ C(-1...

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  2. Using slopes, show that the points A(0,5), B(3,2) and C(-1,6) are coll...

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  3. Using the slope of line, show that the points (-1,-2), (0,4), (3,3) an...

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  4. Using slopes, show that the points (4,11), (1,5) and (-1,1) are collin...

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  5. If the points (-1,y), (1,2) and (5,4) are collinear, find the value of...

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  6. If the points P(h , k),\ Q(x1, y1)a n d\ R(x2, y2) lie on a line. Show...

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  7. The slope of a line is double of the slope of another line. If tangen...

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  8. Show that the diagonals of a rhombus bisect each other at right ang...

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  9. Prove that a median of an equilateral triangle is perpendicular to the...

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  10. Prove that the line joining the mid-points of the two sides of a tr...

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  11. Find the equation of the following lines : (i) parallel to X-axis an...

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  12. Find the equation of a line which pasess through the point (1,-1) and ...

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  13. Find the equation of line passing through the point (2,6) and perpendi...

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  14. Find the equation of a line passing through the point (1,-2) and whose...

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  15. Find the equation of a line passing through the point (-2,0) and makes...

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  16. Find the equation of a line passing through the point (0,-2) and makes...

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  17. (i)Find the equation of a line passing through origin and makes an an...

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  18. (i) Find the equation of line passing through (2,2) and makes an angle...

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  19. Find the equation of the line passing through the following points : ...

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  20. (i) Find the equation of a line passing through the points (a,b) and (...

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