If a translation maps ∠H onto ∠J, which of the following statements is true?
Triangles HGI and JGK; point H is between points J and G on segment JG, and point I is between points G and K on segment GK.
a. ∠I ≅ ∠K
b. segment GH = 2 segment GJ
c. ∠G ≅ ∠K
d. segment HI = 2 segment JK