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如图1,在直角梯形ABCD中,AB∥CD,∠ABC=90°,动点P从点B出发,沿...
如图1,在直角梯形ABCD中,AB∥CD,∠ABC=90°,动点P从点B出发,沿B→C→D的线路匀速运动至点D停止.设点P运动的路程为x,△ABP的面积为y,如果y关于x的函数图象如图2所示,则△BCD的面积是( )
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A.10
B.4
C.5
D.6
考点分析:
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