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Find the coordinates of the incentre and...

Find the coordinates of the incentre and centroid of the triangle whose sides have the equations `3x-4y=0,12 y+5x=0a d ny-15=0.`

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The correct Answer is:
`"Centroid"=(-(16)/(3),10)`, `"Incentre"(-1,8)`
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NAGEEN PRAKASHAN-STRAIGHT LINES-Exercise
  1. The equations of sides AB, BC and AC of DeltaABC are respectively y=x,...

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  2. If p is the length of perpendicular from the origin to the line whose...

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  3. Find the coordinates of the incentre and centroid of the triangle whos...

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  4. Find the co-ordinates of the circumcentre of a triangle whose vertices...

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  5. Find the co-ordinates of the orthocentre of a triangle whose vertices ...

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  6. The equation of one diagonal of a square is 2x+y=6 and its one vertex ...

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  7. The co-ordinates of the vertex of an equilateral triangle are (2,-1) a...

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  8. A ray of light is sent along the line x-2y-3=0 upon reaching the line ...

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  9. show that the equation of the straight line through the origin making ...

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  10. Show that the straight lines given by (2+k)x+(1+k)y=5+7k for different...

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  11. Find the equation of a line passing through the point of intersection ...

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  12. Find the equation of a line passing through the point of intersection ...

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  13. Find the equation of line passing through the point of intersection of...

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  14. Find the equation of a line passing through the point of intersection ...

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  15. Find the equation of a line passing through the point of intersection ...

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  16. Find the equation of the line passing through (-3,5) and perpendicular...

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  17. The co-ordinates of the vertices of DeltaABC are A(-2,4), B(5,5) and C...

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  18. Find the equation of a line which passes through the point (5,1) and c...

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  19. The co-ordinates of three vertices of a parallelogram ABCD are A(1,0) ...

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  20. The perpendicular drawn from origin to the line y=mx+c meets the line ...

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