Answer:
△MNO is rotated about point N to △ M ′ N ′ O ′ .
⇒As you know that during Rotation the shape rotates by a certain angle, without changing it's shape and size.The two shapes i.e image and pre-image are congruent to each other.
Out of the options given :
- ∠NOM≅ ∠N'O'M [Two triangles are congruent]
- MN ≅ M'N [Sides are congruent]
is correct.