As shown in the figure, △ ABC is all equal to △ ade, ∠ bad = 28 ° to get the degree of ∠ EAC
∵△ABC≌△ADE,
∴∠CAB=∠EAD,
∵∠ EAB is the common angle,
∴∠CAB-∠EAB=∠EAD-∠EAB,
That is, EAC = bad,
It is known that ∠ EAC = 30 °,
∴∠BAD=30°.
I don't know if that's what I think
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