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The base QR of an equilateral triangle P...

The base QR of an equilateral triangle PQR lies on X-axis. The co-ordinates of the point Q are (-4,0) and origin is the mid-point of the base. Find the co-ordinates of the points P and R.

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The correct Answer is:
`P(0,4sqrt3)orP(0,-4sqrt3)andR(4.0)`
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NAGEEN PRAKASHAN-CO-ORDINATE GEOMETRY-Exercise 7d
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  4. Find the co-ordinates of the point equidistant from three given points...

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  8. If A(2,-1),B(3,4),C(-2,3)andD(-3,-2) be four points in a plane show t...

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  9. Find the co-ordinates of a point P on the line segment joining A(1,2)a...

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  10. Point P divides the line segment joining the points A(2,1)and B(5,-8) ...

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  11. Find the ratio in which the point P (11,y) divides the line segment jo...

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  12. Two vertices of a DeltaABC are given by A(6,4)and B(-2,2) and its cent...

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  13. The base QR of an equilateral triangle PQR lies on X-axis. The co-ordi...

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  14. The mid-point P of the line segment joining the points A(-10,4)and B(-...

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  15. Find the value of k so that the area of the triangle with vertices (1,...

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  17. Find the area of quadrilateral ABCD, whose vertices are A(-4,8),B(-3,-...

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  18. If the area of DeltaABC with vertices A(x,y),B(1,2)and C(2,1) is 6 squ...

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