Answer:
Option B
Explanation:
Vertical angles are a pair of angles which have the following characteristics:
(i) Equal in measurement
(ii) Located on opposite sides of two intersecting straight lines
AND
(iii) Have the same vertex
Vertical angles in this figure:
∠ERT and ∠MRC
∠KRC and ∠ERH
∠KRE and ∠CRH