Notice!
BC+CD+DB = AD
Let BC = 1 unit.
(1/sin132) = (CD/sin12)
CD = 0.27977277603 units.
(1/sin132) = (BD/sin36)
BD = 0.79094307346 units.
Therefore;
AD = 0.79094307346+0.27977277603+1
AD = 2.07071584949 units.
Calculating the required angle x.
(2.07071584949/sin54) = (0.79094307346/sinx)
x = 18°
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