初二证明题一道,有图,求速解,20:30以前如图所示,等边三角形ABC内有一点P,PE垂直于AB,PF垂直于AC,PD垂直于BC,垂足为点E、F、D,且AH垂直于BC于点H,试用三角形面积公式证明:PE+PF+PD=AH.请大家把图

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 11:58:54
xV[OG+VT ƀ[6ږ0?m nLUOj$ҔpkHp7c V $ #,y+ EG(ysA1^Z}kkVYD$,W/-{NN=s MnP򔺺A'6==SNjc)g%϶'&~W"H@Qn"N4v3JfkC?\{IH[AeGD|(79|Gmp(~w|R'd=P: {R锿3㤿;iSN rR`H]r?iSqȟ=!C? KWa鶰)9 SdW3_WZ $S=3̭ynCăG"c`#NƬ4P"S"D$%n$A' :abϻaU5o$ͻ,f s٪`>7jv'kም1AWՀN3BQh.s6#o -S;~>N'*y /[0_٦O\ 3`.*)dJH4ZYPN^mg $9SiGn ZVt nKqfMs]QAǪPuc}݆gnvčxCAOl3+/@݊v|D0D\臉bk>-k.g֟&<> da_cb]Ê6vDfhqQ́?G0su}"y^XbvȲ3Yv( 9p&N!,VΡ!1i"jAԵ̩z.}4H0k8- Cg8H}oap!u 5Zm-ՅC5-55V̲!6հ'yᆵwQN">\fs~v44Mm˸p,mJǷk:t#4HXAm{8`5Xtk,w&Dt1yQв$,τV-'>naT6D)ՑgOUk%N