如图,在rt△abc中,∠abc=90°,过点b作bd⊥ac于点d,be平分∠dbc,交ac于点e,过点a作af⊥be于点g,交bc于点f,交bd于点h.(1)若∠bac=45°,∠fac=_°,请写出fc与hd的数量关系,并说明理由.(2)若∠bac=45°,请写
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![如图,在rt△abc中,∠abc=90°,过点b作bd⊥ac于点d,be平分∠dbc,交ac于点e,过点a作af⊥be于点g,交bc于点f,交bd于点h.(1)若∠bac=45°,∠fac=_°,请写出fc与hd的数量关系,并说明理由.(2)若∠bac=45°,请写](/uploads/image/z/14733133-61-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8rt%E2%96%B3abc%E4%B8%AD%2C%E2%88%A0abc%3D90%C2%B0%2C%E8%BF%87%E7%82%B9b%E4%BD%9Cbd%E2%8A%A5ac%E4%BA%8E%E7%82%B9d%2Cbe%E5%B9%B3%E5%88%86%E2%88%A0dbc%2C%E4%BA%A4ac%E4%BA%8E%E7%82%B9e%2C%E8%BF%87%E7%82%B9a%E4%BD%9Caf%E2%8A%A5be%E4%BA%8E%E7%82%B9g%2C%E4%BA%A4bc%E4%BA%8E%E7%82%B9f%2C%E4%BA%A4bd%E4%BA%8E%E7%82%B9h.%EF%BC%881%EF%BC%89%E8%8B%A5%E2%88%A0bac%3D45%C2%B0%2C%E2%88%A0fac%3D%EF%BC%BF%C2%B0%2C%E8%AF%B7%E5%86%99%E5%87%BAfc%E4%B8%8Ehd%E7%9A%84%E6%95%B0%E9%87%8F%E5%85%B3%E7%B3%BB%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.%EF%BC%882%EF%BC%89%E8%8B%A5%E2%88%A0bac%3D45%C2%B0%2C%E8%AF%B7%E5%86%99)
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