Which pair of angles are vertical angles?
∠EKF and ∠JKI
∠HKI and ∠JKI
∠FKG and ∠HKI
∠EKF and ∠HKI
∠EKF and ∠JKI
∠HKI and ∠JKI
∠FKG and ∠HKI
∠EKF and ∠HKI