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If the points A(a ,\ -11),\ \ B(5,\ b...

If the points `A(a ,\ -11),\ \ B(5,\ b),\ \ C(2,\ 15)` and `D(1,\ 1)` are the vertices of a parallelogram `A B C D` , find the values of `a` and `b` .

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RD SHARMA ENGLISH-COORDINATE GEOMETRY-All Questions
  1. The points A(2,\ 0),\ \ B(9,\ 1),\ \ C(11 ,\ 6) and D(4,\ 4) are the ...

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  2. If three consecutive vertices of a parallelogram are (1,\ -2),\ (3,...

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  3. If the points A(a ,\ -11),\ \ B(5,\ b),\ \ C(2,\ 15) and D(1,\ 1) a...

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  4. If the coordinates of the mid-points of the sides of a triangle be ...

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  5. Find the lengths of the medians of a A B C having vertices at A...

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  6. Find the lengths of the medians of a A B C having vertices at A(5...

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  7. Find the coordinates of the points which divide the line segment jo...

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  8. Show that the mid-point of the line segment joining the points (5,\7...

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  9. Find the distance of the point (1,\ 2) from the mid-point of the...

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  10. If A and B are (1,\ 4) and (5,\ 2) respectively, find the coordinat...

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  11. Show that the points A(1,\ 0),\ \ B(5,\ 3),\ \ C(2,\ 7) and D(-2,\ ...

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  12. Determine the ratio in which the point P(m ,\ 6) divides the joi...

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  13. Determine the ratio in which the point (-6,\ a) divides the join...

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  14. The line segment joining the points (3,\ -4) and (1,\ 2) is tris...

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  15. The line joining the points (2,\ 1) and (5,\ -8) is trisected at...

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  16. If A and B are two points having coordinates (-2,\ -2) and (2,\ 4) r...

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  17. Find the coordinates of the points which divide the line segment joini...

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  18. A(4,\ 2),\ B(6,5) and C(1,\ 4) are the vertices of triangle A B C . ...

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  19. A(4,\ 2),\ B(6,5) and C(1,\ 4) are the vertices of A B C . Find th...

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  20. A(4,\ 2),\ B(6,5) and C(1,\ 4) are the vertices of A B C . Find th...

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