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The point A(2,9,12), B(1,8,8),C(-2,11,8)...

The point A(2,9,12), B(1,8,8),C(-2,11,8) and D(-1,12,12) form

A

A parallelogram

B

A rhombus

C

A square

D

A rectangle

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-3D-COORDINATE SYSTEM-EXERCISE-1
  1. The perimeter of the triangle with vertices at (1, 0,0 ), (0,1,0 ) an...

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  2. The points (3,2,-4 ),( 5,4,-6 ) , (9,8,-10 )are

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  3. The point A(2,9,12), B(1,8,8),C(-2,11,8) and D(-1,12,12) form

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  4. The point A(5,-1,1), B(7,-4,7), C(1,-6,10), D(-1,-3,4) form

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  5. The 1^(st) point of trisection of segment joining (3,-1,2) and (9,5,2)

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  6. The ratio in which the line segmet joining the points (2,-4,3) and (-4...

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  7. XOZ plane divides the join of (2,3,1 ) and (6,7,1 ) in the ratio

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  8. Points A(3,2,4), B (33/8,28/5,38/5) and C(9,8,10) are given. The ratio...

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  9. The harmonic conjugate of (2,3,4) with respect to the points (3,-2,2),...

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  10. If the joining A(1,3,4) and B is divided by the point (12,3,5) in the ...

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  11. If the xicoordinate of 'p' on the join of Q(2,2,1) and R(5,2,-2) is 4,...

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  13. If (2,1,3), (3,2,5),(1,2,4) are the mid points of the sides BC,CA,AB, ...

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  14. In a Delta ABC the mid points of the sides AB, BC,CA are respectively ...

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  15. The point (2,-1,3) is the centroid of the triangle formed by the point...

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  16. If (2,k,-1) is the centroid of the triangle with vertices (2,-1,2) (1...

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  17. D(2,1,0) E(2,0,0) F(0,1,0) are mid points of the sides BC,CA,AB of Del...

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  18. If the centriod of a triangle formed by the points (a,0,0),(0,b,0),(0,...

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  19. In a Delta ABC vertex A, mid point of BC are (1,2,3) and (5/2,-5/2,0) ...

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  20. The centroid of the tetrahedron ABCD divides the line joining the ver...

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