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if the coordinates of the mid points of the Sides of a triangle are `(1,2) ,(0,-1)` and `(2, -1)`.Find the coordinates of its vertices `:

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RD SHARMA ENGLISH-COORDINATE GEOMETRY-All Questions
  1. If A(5,-1),B(-3,-2)a n d(-1,8) are the vertices of triangle ABC, find ...

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  2. Of A(-2,-1),B(a ,0),C(4, b) and D(1,2) are the vertices of a parallelo...

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  3. if the coordinates of the mid points of the Sides of a triangle are (...

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  4. Prove analytically that the line segment joining the middle points of ...

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  5. Prove that the lines joining the middle points of the opposite sides o...

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  6. The vertices of a A B C are A(5,5),B(1,5)a n dC(9,1) . A line is draw...

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  7. If the coordinates of the mid-points of the sides of a triangle are (3...

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  8. A(3,2)a n dB(-2,1) are two vertices of a triangle ABC whose centroid G...

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  9. If the coordinates of the mid-points of the sides of a triangle are (1...

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  10. Prove that the area of triangle whose vertices are (t , t-2),(t+2, t+2...

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  11. If D ,Ea n dF are the mid-points of sides BC, CA and AB respectively o...

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  12. For what value of k are the points (k ,2-2k)(-k+1,2k)a n d(-4-k ,6-2k)...

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  13. If the points P ,Q(x ,7),R ,S(6, y) in this order divide the line segm...

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  14. If A(2,2),B(-4,-4)a n dC(5,-8) are the vertices of a triangle, then th...

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  15. The midpoint P of the line segment joining the points A(-10, 4) and B(...

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  16. If R(x , y) is a point on the line segment joining the points P(a , b)...

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  17. If the points A(-1,-4),B(b , c)a n dC(5,-1) are collinear and 2b+c=4,...

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  18. The perimeter of a triangle with vertices (0,4), (0,0) and (3,0) is

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  19. A point P divides the line segment joining the points A(3,-5)a n dB(-4...

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  20. If G be the centroid of a triangle ABC, prove that, AB^2 + BC^2 + CA...

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