(8分)如图,在梯形ABCD中,AD∥BC,∠ABC=90°,AD=AB=2,且BD=CD,【

(8分)如图,在梯形ABCD中,ADBC,∠ABC=90°,ADAB=2,且BDCD,

【小题1】(1)求BC的长;
【小题2】(2)求梯形ABCD的面积.

答案


【小题1】
【小题2】解析:

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