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Without using distance formula, show that points (- 2,-1), (4, 0), (3, 3) and (-3, 2) are the vertices of a parallelogram.

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PSEB-STRAIGHT LINES-EXERCISE
  1. Find the slope of the line, which makes an angle of 30^@ with the posi...

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  2. Find the value of x for which the points (x, -1), (2, 1) and (4, 5) ar...

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  3. Without using distance formula, show that points (- 2,-1), (4, 0), (3,...

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  4. Find the angle between the x-axis and the line joining the points (3,-...

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  5. The slope of a line is double of the slope of another line. If tangent...

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  6. A line passes through (x1, y1) and (h, k). If slope of line is m, show...

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  7. If three points (h, 0), (a, b) and (0, k) lies on a line, show that a/...

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  8. In the following , find the equation of the line which satisfy the giv...

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  9. In the following , find the equation of the line which satisfy the giv...

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  10. In the following , find the equation of the line which satisfy the giv...

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  11. In the following , find the equation of the line which satisfy the giv...

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  12. In the following , find the equation of the line which satisfy the giv...

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  13. In the following , find the equation of the line which satisfy the giv...

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  14. In the following , find the equation of the line which satisfy the giv...

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  15. The vertices of triangle PQR are P (2, 1), Q (-2, 3) and R (4, 5). Fin...

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

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  17. A line perpendicular to the line segment joining the points (1,0) and ...

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  18. Find the equation of a line that cuts off equal intercepts on the coor...

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  19. Find equation of line passing through the point (2, 2) and cutting off...

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  20. Find equation of the line through the point (0, 2) making an angle (2p...

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