如∵······∴······跪求!注:图为1.如图,在△ABC中,DE是AB的垂直平分线,AE=1CM,△ADC的周长为7CM,求△ABC的周长.2.在等腰△ABC中,∠A满足下列各条件,求另两个角的度数(1 )∠A=40°(2 )∠A=9
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![如∵······∴······跪求!注:图为1.如图,在△ABC中,DE是AB的垂直平分线,AE=1CM,△ADC的周长为7CM,求△ABC的周长.2.在等腰△ABC中,∠A满足下列各条件,求另两个角的度数(1 )∠A=40°(2 )∠A=9](/uploads/image/z/1771872-24-2.jpg?t=%E5%A6%82%E2%88%B5%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E2%88%B4%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E8%B7%AA%E6%B1%82%21%E6%B3%A8%EF%BC%9A%E5%9B%BE%E4%B8%BA1.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CDE%E6%98%AFAB%E7%9A%84%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86%E7%BA%BF%2CAE%3D1CM%2C%E2%96%B3ADC%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BA7CM%2C%E6%B1%82%E2%96%B3ABC%E7%9A%84%E5%91%A8%E9%95%BF.2.%E5%9C%A8%E7%AD%89%E8%85%B0%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0A%E6%BB%A1%E8%B6%B3%E4%B8%8B%E5%88%97%E5%90%84%E6%9D%A1%E4%BB%B6%2C%E6%B1%82%E5%8F%A6%E4%B8%A4%E4%B8%AA%E8%A7%92%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%881+%EF%BC%89%E2%88%A0A%3D40%C2%B0%EF%BC%882+%EF%BC%89%E2%88%A0A%3D9)
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