1.证明∠BAE=∠FEC 2.证明△AGE全等于∠ECF 3.求△AEF的面积如图四边形ABCD是边长为a的正方形,点G.E分别是AB.BC的中点,∠AEF=90°,且EF交正方形外角的平分线于点F.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 15:02:02
![1.证明∠BAE=∠FEC 2.证明△AGE全等于∠ECF 3.求△AEF的面积如图四边形ABCD是边长为a的正方形,点G.E分别是AB.BC的中点,∠AEF=90°,且EF交正方形外角的平分线于点F.](/uploads/image/z/2081730-66-0.jpg?t=1.%E8%AF%81%E6%98%8E%E2%88%A0BAE%3D%E2%88%A0FEC+2.%E8%AF%81%E6%98%8E%E2%96%B3AGE%E5%85%A8%E7%AD%89%E4%BA%8E%E2%88%A0ECF+3.%E6%B1%82%E2%96%B3AEF%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%A6%82%E5%9B%BE%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E6%98%AF%E8%BE%B9%E9%95%BF%E4%B8%BAa%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E7%82%B9G.E%E5%88%86%E5%88%AB%E6%98%AFAB.BC%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E2%88%A0AEF%3D90%C2%B0%2C%E4%B8%94EF%E4%BA%A4%E6%AD%A3%E6%96%B9%E5%BD%A2%E5%A4%96%E8%A7%92%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E4%BA%8E%E7%82%B9F.)
xSmkP+eѲޛ,wޛֺܵN9T*+ 266d4ɿIBju/9<9Sl |~oYk-e,_Nr(+q/\oFVqnFG%כBp{a ũaE֣P%Wq= tv2dN/r5荶VϷ8:܇ RK_bma>'nfݼͯC