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Straight Lines — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSStraight Lines1 Mark
MCQ

If the two lines are perpendicular then difference of their inclination angle is:

  • A
    45°
  • B
    60°
  • C
    90°
  • D
    180°
✓

Answer

  1. 90°

Solution:

If the two lines are perpendicular then if one line form angle $\alpha$ with positive x-axis then the other line form angle $90^\circ+\alpha$

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