【急,现等】如图,M为线段AB的中点,AE与BD交于点C,∠DME=∠A=∠B=α,且DM交AC于F,ME交BC于G.如图,M为线段AB的中点,AE与BD交于点C,∠DME=∠A=∠B=α,且DM交AC于F,ME交BC于G.(2)连接FG,如果α=45°,AB=,AF=3,求FG
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![【急,现等】如图,M为线段AB的中点,AE与BD交于点C,∠DME=∠A=∠B=α,且DM交AC于F,ME交BC于G.如图,M为线段AB的中点,AE与BD交于点C,∠DME=∠A=∠B=α,且DM交AC于F,ME交BC于G.(2)连接FG,如果α=45°,AB=,AF=3,求FG](/uploads/image/z/14220382-22-2.jpg?t=%E3%80%90%E6%80%A5%2C%E7%8E%B0%E7%AD%89%E3%80%91%E5%A6%82%E5%9B%BE%2CM%E4%B8%BA%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%2CAE%E4%B8%8EBD%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E2%88%A0DME%3D%E2%88%A0A%3D%E2%88%A0B%3D%CE%B1%2C%E4%B8%94DM%E4%BA%A4AC%E4%BA%8EF%2CME%E4%BA%A4BC%E4%BA%8EG.%E5%A6%82%E5%9B%BE%2CM%E4%B8%BA%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%2CAE%E4%B8%8EBD%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E2%88%A0DME%3D%E2%88%A0A%3D%E2%88%A0B%3D%CE%B1%2C%E4%B8%94DM%E4%BA%A4AC%E4%BA%8EF%2CME%E4%BA%A4BC%E4%BA%8EG%EF%BC%8E%EF%BC%882%EF%BC%89%E8%BF%9E%E6%8E%A5FG%2C%E5%A6%82%E6%9E%9C%CE%B1%3D45%C2%B0%2CAB%3D%2CAF%3D3%2C%E6%B1%82FG)
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