51)
b = 12
c = 5
d = 23
e = 90
f = 67
g = 13
52)
SAS: need BA = AD
AAS: need <B = <D
53)
ASA: need <A = <C
SAS: need DA = BC
54)
We are given that AB = DC (S) and AC =DB (S). We can say that BC = BC (S) by reflexive property. We can say that ΔABC ≅ ΔDCB by SSS congruence Theorem.
Hope this helps! ;)
