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P ( 2 , 2), Q ( - 4, 4) and R (5 , - 8) ...

P ( 2 , 2), Q ( - 4, 4) and R (5 , - 8) are the vertices of a `DeltaPQR`, then median from 'R' is .....

A

`sqrt(147)`

B

`sqrt(157)`

C

`4sqrt(17)`

D

`2sqrt(13)`

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BEYOND PUBLICATION-CO-ORDINATE GEOMETRY-EXERCISE
  1. Find the ratio in which the line segment joining the points (-1,12) an...

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  2. Find the area of the quadrilateral whose vertices taken inorder are ( ...

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  3. If A(3,4),B(6,5) and C(8,8) are the three vertices of a parallelogram...

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  4. P ( 2 , 2), Q ( - 4, 4) and R (5 , - 8) are the vertices of a DeltaPQR...

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  5. The distance of a point (alpha, beta) from the origin is ....

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  6. The coordinates of the point which divides the line joining (x(1),y(1)...

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  7. Coordinate geometry was introduced by ....

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  8. Heron's formula to calculate area of triangle is .....

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  9. If AC = AB + BC then the points A , B , C are .......

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  10. In the below figure G is the centroid then AG:GD=….

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  11. The area of below triangle is….sq.units.

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  12. In the below figure x=……

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  13. The area of below parallelogram is…. triangleABC=5 sq.units.

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  14. AOBC is a rectangle whose three vertices are A(4 , 0) , B (0 , 3) and...

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  15. The perimetre of a triangle whose vertices are A(12 , 0) , O(0 , 0) ...

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  16. The distance of a point (0,3) from the origin.

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  17. The distance between (0,3) from (0,0)

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  18. Find the distance between (4,5)(5,6)

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  19. y intercept 4 the line y = mx+c is

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  20. In rhombus all sides are .........

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