Angle I = 20 degrees, side HI = 5, angle L = 20 degrees, and side KL = 5. What additional information would you need to prove that ΔHIJ ≅ ΔKLM by SAS? a Angle H is congruent to angle K. b Angle J is congruent to angle M. c Side IJ is congruent to side LM. d Side HJ is congruent to side KM.