已知△ABC的三边长为a,b,c,其中a,b是方程x2-(c+4)x+4c+8=0的两根,求证(1)△ABC为直角三角形,(2)若a=b,求三角形三边的长
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/09 23:39:13
![已知△ABC的三边长为a,b,c,其中a,b是方程x2-(c+4)x+4c+8=0的两根,求证(1)△ABC为直角三角形,(2)若a=b,求三角形三边的长](/uploads/image/z/2528464-40-4.jpg?t=%E5%B7%B2%E7%9F%A5%E2%96%B3ABC%E7%9A%84%E4%B8%89%E8%BE%B9%E9%95%BF%E4%B8%BAa%2Cb%2Cc%2C%E5%85%B6%E4%B8%ADa%2Cb%E6%98%AF%E6%96%B9%E7%A8%8Bx2-%28c%2B4%29x%2B4c%2B8%3D0%E7%9A%84%E4%B8%A4%E6%A0%B9%2C%E6%B1%82%E8%AF%81%EF%BC%881%EF%BC%89%E2%96%B3ABC%E4%B8%BA%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%2C%EF%BC%882%EF%BC%89%E8%8B%A5a%3Db%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%89%E8%BE%B9%E7%9A%84%E9%95%BF)
xTN@~ *l{j+AB@!6IP ^9:UKoof'a_U3Yn^,m{eo6E}zQѩ³v٪cKƄ8~88\An`1@H/;^)&2]B)a
ihLTʺgI$+Gy&<-3UV$N!Roy;S`L#l#D!!Opc9=.f$$͑d|&g\mAޑ_MfD"NoɜpqdEa
>#
'RTf~eVd$?Ĉ*smN