Which additional fact proves that ΔRST and ΔWXY are congruent if ∠R ≅ ∠W and RS ≅ WX. ∠R = 2x + 5 ∠S = 4x + 10 ∠T = 2x - 11
A)∠X = 9x/2
B)∠Y = 9x/2
C)∠X = x/2+ 22
D)∠Y = x/2 + 22
+90 
