菱形ABCD,X是BC上任何一点,在CD上找出对应的Y满足BX=CY,AX总垂直BY,求证AX=BY。
之所以说有问题是因为有反例:设一非正方形菱形,X在C,Y在D。此时AX垂直BY,但AX显然不等于BY。
菱形ABCD,X是BC上任何一点,在CD上找出对应的Y满足BX=CY,AX总垂直BY,求证AX=BY。
之所以说有问题是因为有反例:设一非正方形菱形,X在C,Y在D。此时AX垂直BY,但AX显然不等于BY。
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