Home
Class 11
MATHS
What acute angle does a line of slope (-...

What acute angle does a line of slope `(-2)/3` make with a vertical line ?

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise EXERCISE|304 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise EXERCISE|98 Videos

  • TRIGNOMETRY

    MODERN PUBLICATION|Exercise EXERCISE|730 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks: If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are __________.

Find the acute angle between two lines whose direction ratios are and

If alpha, beta, gamma are the angles that a line makes with the positive direction of x, y, z axis repectively, then the direction cosines of the line are:

If alpha,beta,gamma be the angles which a line makes with the coordinates axes, then

If the angle between two lines is pi/3 and slope of one of the line is 1/4 . Find the slope of other line.

If the angle between two lines is pi/4 and slope of one of the lines is 1/2 , find the slope of the other line.

If two lines intersect and if one pair of vertically opposite angles is formed by acute angles, then the other pair of vertically opposite angles will be formed by obtuse angles.

If a line makes an angle of pi/4 with the positive directions of each of x-axis and y-axis, then the angle that the line makes with the positive direction of z-axis is

Find the measures of the angles made by the intersecting lines at the vertices of an equilateral triangle.

Two lines Passing through the point (2, 3) make an angle of 45^@ . If the slope of one of the lines is 2, find the slope of the other.

MODERN PUBLICATION-STRAIGHT LINES -EXERCISE
  1. Find the slope of the line through the points : (3, -2), (3, 4).

    Text Solution

    |

  2. Find the slope of a line, whch passes through the origin and the mid-p...

    Text Solution

    |

  3. What acute angle does a line of slope (-2)/3 make with a vertical line...

    Text Solution

    |

  4. Show that the line joining the points (2,-3)and (-5,1) is parallel to ...

    Text Solution

    |

  5. Show that the line joining (2, -3) and (- 5,1) is : perpendicular to...

    Text Solution

    |

  6. Three points P (h, k), Q(x1, y1) and R (x2,y2) lie on a line. Show tha...

    Text Solution

    |

  7. Show that the line : through (0, 0) and (2, 3) is parallel to the li...

    Text Solution

    |

  8. Show that the line : through (- 2, 6) and (4, 8) is perpendicular to...

    Text Solution

    |

  9. Show that the line : through (2, - 3) and (-1, 2) is perpendicular t...

    Text Solution

    |

  10. State whether the two lines of the following problem is parallel, perp...

    Text Solution

    |

  11. State whether the two lines of the following problem is parallel, perp...

    Text Solution

    |

  12. State whether the two lines of the following problem is parallel, perp...

    Text Solution

    |

  13. What is the value of y so that the line through (3,y) and (2,7) is par...

    Text Solution

    |

  14. Without using the pythagorus, show that the points (4, 4), (3, 5) and ...

    Text Solution

    |

  15. Find the values of x for which the points (x, -1), (2, 1) and (4, 5) a...

    Text Solution

    |

  16. If three points A(h,0), B(a, b) and C(0, k) lie on line, show that (a)...

    Text Solution

    |

  17. If points (a, 0), (0, b) and (x, y) are collinear, then write correct ...

    Text Solution

    |

  18. Find the equation of the line, which is parallel to x-axis at a distan...

    Text Solution

    |

  19. Draw the graph of the equations represented by a straight line which i...

    Text Solution

    |

  20. Find the equation of the line, which is parallel to y-axis at a distan...

    Text Solution

    |