如图已知等边△ABC的边长为30点D在AB上(不与AB重合)DE⊥BC于E EF⊥CA于F FG⊥AB于G,设BD=x DG=y(1)求y与x之间的函数关系式(2)当D与G重合时,求AD的长度
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 03:25:24
![如图已知等边△ABC的边长为30点D在AB上(不与AB重合)DE⊥BC于E EF⊥CA于F FG⊥AB于G,设BD=x DG=y(1)求y与x之间的函数关系式(2)当D与G重合时,求AD的长度](/uploads/image/z/12516333-69-3.jpg?t=%E5%A6%82%E5%9B%BE%E5%B7%B2%E7%9F%A5%E7%AD%89%E8%BE%B9%E2%96%B3ABC%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA30%E7%82%B9D%E5%9C%A8AB%E4%B8%8A%EF%BC%88%E4%B8%8D%E4%B8%8EAB%E9%87%8D%E5%90%88%EF%BC%89DE%E2%8A%A5BC%E4%BA%8EE+EF%E2%8A%A5CA%E4%BA%8EF+FG%E2%8A%A5AB%E4%BA%8EG%2C%E8%AE%BEBD%3Dx+DG%3Dy%281%29%E6%B1%82y%E4%B8%8Ex%E4%B9%8B%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%282%29%E5%BD%93D%E4%B8%8EG%E9%87%8D%E5%90%88%E6%97%B6%2C%E6%B1%82AD%E7%9A%84%E9%95%BF%E5%BA%A6)
xTnP lMTݘIi &%iJTP_?VBm@DRvza=3s̕BvtJo9:;$YqNva{9JqNyҏ=Ĩb5ˬK_|\UAGVQ]h9؊;鰑5e*Ĉ:)F/Qİo5ݺ{gpGGQ!F'T@ݾa$ug/iq%YȊ6_"i6btD<#k$E#)
z`$ߋc$Dp<ZYEtr;.(1a7{yAm/aER ωɗϳNۻG!U>^o-72NAA'Z:d-|F`hiFHe4%Iz6#=ܡ]0|ZPgM,c)N3Dæz,(&