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A點在X軸上,B點在Y軸上. 1、先找A點關於Y軸的對稱點C,C的座標為:C(-6,0),此時的三角形ABC構成等腰三角形. 2、再找B點關於X軸的對稱點C,C的座標為:C(0,-8),此時的三角形ABC構成等腰三角形.
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