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如图,直线AB、EF相交于点D,∠ADC=90°.
(1)∠1的对顶角是________;∠2的余角有________;
(2)若∠1与∠2的度数之比为1∶4,求∠CDF、∠EDB的度数.
如图所示,直线AB、EF相交于点D,∠ADC=90 º,若∠1与∠2的度数之比为1:4,则∠CDF、∠EDB的度数分别是
如图所示,直线AB、EF相交于点D,∠ADC="90" º ,若∠1与∠2的度数之比为1:4,则∠CDF、∠EDB的度数分别是