Answer: ∠ERT and ∠MRC
Step-by-step explanation:
When two lines intersect each other they make a cross (X) and the angles opposite each other when two lines cross (X) are called the vertical opposite angles. They are also known as vertical angles.
Vertically opposite angles are always equal.
From the given options, only ∠ERT and ∠MRC are the pair of angles that vertical angles.
