在菱形ABCD中,AB=BD 点EF分别在AB AD上,且AE=DF求证S四边形BCDG=√3/4 CG²
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![在菱形ABCD中,AB=BD 点EF分别在AB AD上,且AE=DF求证S四边形BCDG=√3/4 CG²](/uploads/image/z/1525210-34-0.jpg?t=%E5%9C%A8%E8%8F%B1%E5%BD%A2ABCD%E4%B8%AD%2CAB%EF%BC%9DBD+%E7%82%B9EF%E5%88%86%E5%88%AB%E5%9C%A8AB+AD%E4%B8%8A%2C%E4%B8%94AE%EF%BC%9DDF%E6%B1%82%E8%AF%81S%E5%9B%9B%E8%BE%B9%E5%BD%A2BCDG%EF%BC%9D%E2%88%9A3%2F4+CG%26%23178%3B)
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