题目

It is 24th,and       is June 26th. A.tomorrow  B.today .C.the day before yesterday     D.the day after tomorrow 答案:D如图,在Rt△ABC中,∠C=90°,BC=6cm,AC=8cm,按图中所示方法将△BCD沿BD折叠,使点C落在AB边的C′点,那么△ADC′的面积是( ) A.3cm2B.4cm2C.5cm2D.6cm2
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