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Find the co-ordinates of centroid of the...

Find the co-ordinates of centroid of the triangles if points D(-7,6),E(8,5) and F(2,-2) are the mid points of the sides of that triangle.

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CHETANA PUBLICATION-CO-ORDINATE GEOMETRY-EXERCISE
  1. Find the co-ordinates of centroid of the triangles if points D(-7,6),E...

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  2. Seg AB is parallel to Y-axis and co-ordinates of point A are (1,3), th...

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  3. Out of the following, point………..lies to the right of the origin on X-a...

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  4. Distance of point (-3,4) from the origin is………….a) 7 b) 1 c) 5 d) -...

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  5. A line makes an angle of 30^@ with the positive direction of X-axis.so...

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  6. What is the slope of line with inclination 60^@? a)sqrt 3 b)1/sqrt 3 c...

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  7. Find the inclination of a line with slope 1. a)60^@ b)45^@ c)90^@ d)ca...

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  8. Line l is parallel to line m. If slope of line l is 1/2 the slope of l...

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  9. What is the slope of line passing through points (4,6) and (1,-2)? a)4...

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  10. Slope of X-axis is…………a)0 b)1 c) -1 d) Not defined

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  11. Slope of Y-axis is…..a)0 b)1 c) -1 d) Not defined

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  12. Distance of point A(7,24) from the origin is………..a)17 b) -17 c)25 d) c...

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  13. Find the co-ordinates of the point P which bisects seg having co-ordin...

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  14. Find the co-ordinates of the point which divides line seg QR in the ra...

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  15. In what ratio does the point (1,6) divide the line segment joining the...

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  16. Find the distance between the given points. (i) A(3,-4), B(-5,6)

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  17. Find the distance between the given points.(ii) P(10,-8), Q(-3,-2)

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  18. Find the distance between the given points. (iii) K(0,-5), L(-5,0)

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  19. Find the distance between the given points.(iv) I(3.5,6.8), J(1.5,2.8)

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  20. Show that the points (5,11) is equidistant from the points (-5,13) and...

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  21. Check whether points (3,3),(-4,-1) and (3,-5) are the vertices of an i...

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