MCQ
In Fig. $a$ and $b$ are:
  • A
    Alternate exterior angles.
  • B
    Corresponding angles.
  • Alternate interior angles.
  • D
    Vertically opposite angles.

Answer

Correct option: C.
Alternate interior angles.
In the given figure, $a$ and $b$ are alternate interior angles as both lie on opposite sides of transverse line.

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