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If the points (k,k),(2 , 3) and (4 , -1)...

If the points (k,k),(2 , 3) and (4 , -1) are collinear then k = ........

A

`-1/7`

B

`1/2`

C

`3/7`

D

`7/3`

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BEYOND PUBLICATION-CO-ORDINATE GEOMETRY-EXERCISE
  1. Slope of vertical line is ........

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  2. Area of triangle formed with (-5,-1), (3,-5) and (5 , 2) is ......sq....

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  3. If the points (k,k),(2 , 3) and (4 , -1) are collinear then k = .........

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  4. A(2,0), B(1,2), C(-1,6) లు శీర్షాలుగా గల త్రిభుజ వైశాల్యం

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  5. Identify collinear points .

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  6. The area of square formed with the vertices (0, -1) ,(2 , 1) , (0 , 3)...

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  7. The co-ordinates of centroid of the triangle formed with the vertices ...

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  8. A(1 , - 1) , B(0 , 6) and C(-3, 0) then G = ......

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  9. The point of concurrence of medians of a triangle is called.....

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  10. Mid point of the line joining the points (1 , 1) and (0 , 0) is .....

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  11. The radius of the circle whose centre is (3 , 2) and passes through (-...

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  12. Area of parallelogram = ......sq.units.

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  13. A(4 , 5) , B(7 , 6) then AB = ......units.

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  14. In quadrilateral ABCD, AB = BC = CD = AD and AC ne BD then it ...

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  15. A(a , b) and B(-a, - b) then BA = .......units.

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  16. If theta is the angle made by a line with x-axis then slope m = ......

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  17. A(4 , 0) , B( 8 , 0) then AB = ......units.

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  18. Other name for x-coordinate of a point is ....

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  19. (8,10) in…..

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  20. Slope of horizontal line is ......

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