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(1,2),(2,3),(3,1) are the midpoints of t...

(1,2),(2,3),(3,1) are the midpoints of the sides of the triangle then the area of the triangle is (in.sq.units)

A

7

B

`5/2`

C

14

D

6

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BEYOND PUBLICATION-CO-ORDINATE GEOMETRY-EXERCISE
  1. Mid-point of the line points (-4,2) and (2,8) is

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  2. (1,2),(2,3),(3,4) are vertices of a traingle then its centroid is

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  3. (1,2),(2,3),(3,1) are the midpoints of the sides of the triangle then ...

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  4. The co-ordinates of the mid point of the line joining points (3,-1) an...

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  5. The equation of the line passing through origin having slope

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  6. If a line make an angle 150^@ with +ve X-axis then the slope of the li...

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  7. Slope of the line 3x-4y+12=0

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  8. Slope of the line joining points (2,-3)(1,4)

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  9. Angle made by the line y = x with the positive direction of X-axis is ...

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  10. The slope of the line x/a+y/b=1

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  11. The line y= mx+c cut the Y-axis at the point

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  12. The distance of the point (a,b) from the origin.

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  13. The centriod of the traingle made by the vertices A(-2,3), B(4,1), C(1...

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  14. The slope of the line is 2/5 then the slope of the parallel of that li...

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  15. If the line y = mx+c passing through the points (0,3),(4,0) then inter...

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  16. The line ax+by+c=0 intersects X-axis at

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  17. The line ax+by+c=0 intersects Y-axis at

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  18. Distance between the points (0,0) (a cos theta, a sin theta)

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  19. If 'C' is the mid point of A(0,0) B(4,8). Then the co-ordinates of th...

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  20. The slope of the line y=1/2 x is

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