In the diagram below, start overline, A, D, end overline, \cong, start overline, A, E, end overline, comma
AD
≅
AE
, start overline, B, A, end overline, \parallel, start overline, C, E, end overline, comma
BA
∥
CE
, start overline, C, B, end overline, \parallel, start overline, D, A, end overline
CB
∥
DA
and m, angle, D, A, E, equals, 54, degrees, .m∠DAE=54
∘
. Find m, angle, B, C, D, .m∠BCD.