如图,直线AB分别x,y轴正半轴相交于A(a,0)和B(0,b),直线y=(1/2)x+3交于y轴与点E,交AB于点F.(1)当a=6,b=6时,求四边形EOAF的面积.(2)若F为线段AB的中点,且AB=4√5时,求证:∠BEF=∠BAO(用初二的知识,
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![如图,直线AB分别x,y轴正半轴相交于A(a,0)和B(0,b),直线y=(1/2)x+3交于y轴与点E,交AB于点F.(1)当a=6,b=6时,求四边形EOAF的面积.(2)若F为线段AB的中点,且AB=4√5时,求证:∠BEF=∠BAO(用初二的知识,](/uploads/image/z/5444743-31-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E7%BA%BFAB%E5%88%86%E5%88%ABx%2Cy%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E7%9B%B8%E4%BA%A4%E4%BA%8EA%28a%2C0%29%E5%92%8CB%280%2Cb%29%2C%E7%9B%B4%E7%BA%BFy%3D%EF%BC%881%2F2%EF%BC%89x%2B3%E4%BA%A4%E4%BA%8Ey%E8%BD%B4%E4%B8%8E%E7%82%B9E%2C%E4%BA%A4AB%E4%BA%8E%E7%82%B9F.%EF%BC%881%EF%BC%89%E5%BD%93a%3D6%2Cb%3D6%E6%97%B6%2C%E6%B1%82%E5%9B%9B%E8%BE%B9%E5%BD%A2EOAF%E7%9A%84%E9%9D%A2%E7%A7%AF.%EF%BC%882%EF%BC%89%E8%8B%A5F%E4%B8%BA%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E4%B8%94AB%3D4%E2%88%9A5%E6%97%B6%2C%E6%B1%82%E8%AF%81%EF%BC%9A%E2%88%A0BEF%3D%E2%88%A0BAO%EF%BC%88%E7%94%A8%E5%88%9D%E4%BA%8C%E7%9A%84%E7%9F%A5%E8%AF%86%2C)
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