Which angles are congruent?
An illustration shows four angles, angle A B C, angle D E F, angle G H I and angle J K L measuring 120 degrees, 45 degrees, 30 degrees and 45 degrees respectively.
A.
∠GHI and ∠JKL
B.
∠DEF and ∠GHI
C.
∠ABC and ∠DEF
D.
∠DEF and ∠JKL
