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The four vertices of a quadrilateral are...

The four vertices of a quadrilateral are (1,2) (-5,6) (7,-4) and (k,-2) taken in order.
if the area of the quadrilateral is 9 sq. units find the value of k.

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FULL MARKS-COORDINATE GEOMETRY -ADDITIONAL QUESTIONS SOLVED (Answer the following questions)
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  2. If the area of the triangle formed by the points (1,2) (2,3) and a,4) ...

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  3. If the points A(2,5) ,B(4,6) and C(8,a) are collinear find the value o...

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  4. If (x, y) is any point on the line joining the points A(a, 0) and B (0...

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  5. A straight line passes through (1,2) and has the equation y-2x-k =0 . ...

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  6. If a line passes through the mid point of AB where A is (3,0) and B is...

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  7. Find the equation of the line through (3,2) and perpendicular to the l...

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  8. P and Q trisect the line segment joining the points (2,1) and (5,-8) ....

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  9. Find the equation of the line passing through (4,5) and making equal i...

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  10. Find the equation of the line passing through (2,-1) and whose interce...

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  11. The straight line cuts the coordinate axes at A and B. if the mid poin...

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  12. If the coordinates of two points A and B are (3,4) and (5,-2) respecti...

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  13. The four vertices of a quadrilateral are (1,2) (-5,6) (7,-4) and (k,-2...

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  14. Find the area of a triangle whose three sides are having the equations...

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  15. Verify the Median of a triangle divides into two triangles of the equa...

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  16. Find the area of the DeltaABC with A(1,-4) and the mid points of sides...

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  17. Find the equation of the straight lines passing through (-3,10) whose ...

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  18. Find the equation of the straight line passing through the point of i...

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  19. Find the equation of the line passing through the points of intersecti...

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