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如图,在\({\rm{Rt}}\Delta {\rm{ABC}}\)中,\(\angle C = 90^\circ \),\(DE\)是线段\(AB\)的垂直平分线,已知\(\angle CBD = \frac{1}{2}\angle ABD\),则\(\angle A = \)___。
参考答案:\(36^\circ \)
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