What is the angle formed by two perpendicular lines?


Answer:

90°

Step by Step Explanation:
  1. Let us look at the definition of perpendicular lines:
    When a straight line stands on another straight line in such a way that the two adjacent angles formed are equal to 90 degrees, those two lines are called perpendicular lines.
  2. As an example, let us look at the following figure:

    In the above figure, the line AB is perpendicular to the line PQ, The angles formed by these two lines are:
    ∠PSA, ∠QSA, ∠BSP and ∠BSQ.
    All four angles are right angles, i.e., 90 degrees.

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