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.