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