If two lines intersect and one angle is $40^{\circ}$, vertically opposite angle is

If two lines intersect and one angle is $40^{\circ}$, vertically opposite angle is
  1. $40^{\circ}$
  2. $140^{\circ}$
  3. $50^{\circ}$
  4. $80^{\circ}$

Solution

Vertically opposite angles are equal.

Asked in: MH-SSC-9

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