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If the vertices of a triangle are (1,k),...

If the vertices of a triangle are (1,k),(4,-3),(-9,7) and it's area is 15 square unit, find the value of k.

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KALYANI PUBLICATION-Co-ordinator Geometry-Exercise
  1. Find the area of quadrilateral whose vertices taken in order are (1,...

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  2. The co-ordinates of the vertices of Delta ABC are A(4,1),B (-3,2) and ...

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  3. If the vertices of a triangle are (1,k),(4,-3),(-9,7) and it's area is...

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  4. A(0,0), B(6,0), C(4,3) and D(0,k) are the vertices of a quadrilateral ...

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  5. Prove that the points P,Q,R are collinear. P(1,5) ,Q(3,14), R(-1,-4)

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  6. Prove that the points P,Q,R are collinear. P(1,4),Q(3,-2),R(-3,16)

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  7. Prove that the points P,Q,R are collinear. P(a, b+c), Q(b, c+a), R(c,...

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  8. If the points (a,1) ,(3,4) ,(5,5) are collinear find a.

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  9. If (p+1 ,1),(2p+1 ,3), (2p+2, 2p) are collinear prove that,p= 2 or -1/...

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  10. For what value of p the points (-5,1) ,(1,p)and (4,-2 ) are collinear.

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  11. For what value of p the points (2,1) ,(p,-1)and (-1,3) are collinear.

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  12. If the points (a,0), (0,b) and (1,1) are collinear,then find the relat...

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  13. If the points (-3,9),(2,p),(4,-5)are collinear, prove that p+1=0

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  14. If the points (8,1),(3,-4),(2,p) are collinear, prove that p+5=0

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  15. If the points (p,0), (0,q)and (x,y) are collinear, prove that x/p+y/q=...

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  16. If D,E,F are the middle points of sides BC,CA,AB respectively of a tri...

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  17. The vertices of Delta ABC areA(2,3),B(4,-1)and C(1,2),Find the length...

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  18. The co-ordinates of A,B,C,D are A(6,3),B(-3,5),C(4,-2)and D(x,3x) resp...

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  19. Write the distance between (0,0) and (3,4).

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  20. Find the distance between following pair of points: (a cos theta, a si...

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