如图,O为坐标原点,直线l⊥y轴,垂足为M,反比例函数y=k/x(k≠0)的图象与l交于点A(m,3),△AOM的面积为6
(1)求m、k的值;
(2)在x轴正半轴上取一点B,使OB=OA,求直线AB的函数表达式.
Roy made several kites, but _____ of them can fly high in the sky.
如图,△ABC中,AB=AC,∠B=72°,∠ACB的平分线CD交AB于点D,则点D是线段AB的黄金分割点.若AC=2,则BD=______.