1
鍏勾绾т笂鍐屽嚑浣曡瘉鏄庨涓撻」缁冧範
1
锛庡鍥撅紝鈻?/p>
ABC
銆佲柍
CDE
鍧囦负绛夎叞鐩磋涓夎褰紝鈭?/p>
ACB=
鈭?/p>
DCE=90
掳
锛岀偣
E
鍦?/p>
AB
涓婏紟姹?/p>
璇侊細鈻?/p>
CDA
鈮屸柍
CEB
锛?/p>
2
锛庡鍥撅紝
BD
鈯?/p>
AC
浜庣偣
D
锛?/p>
CE
鈯?/p>
AB
浜庣偣
E
锛?/p>
AD=AE
锛庢眰璇侊細
BE=CD
锛?/p>
3
锛庡鍥撅紝宸茬煡鐐?/p>
B
锛?/p>
E
锛?/p>
C
锛?/p>
F
鍦ㄤ竴鏉＄洿绾夸笂锛?/p>
AB=DF
锛?/p>
AC=DE
锛屸垹
A=
鈭?/p>
D
锛?/p>
锛?/p>
1
锛夋眰璇侊細
AC
鈭?/p>
DE
锛?/p>
锛?/p>
2
锛夎嫢
BF=13
锛?/p>
EC=5
锛屾眰
BC
鐨勯暱锛?/p>
4
锛庡鍥撅細鐐?/p>
C
鏄?/p>
AE
鐨勪腑鐐癸紝鈭?/p>
A=
鈭?/p>
ECD
锛?/p>
AB=CD
锛屾眰璇侊細鈭?/p>
B=
鈭?/p>
D
锛?/p>
5
锛庡鍥撅紝鐐?/p>
D
鏄?/p>
AB
涓婁竴鐐癸紝
DF
浜?/p>
AC
浜庣偣
E
锛?/p>
DE=FE
锛?/p>
FC
鈭?/p>
AB
姹傝瘉锛?/p>
AE=CE
锛?/p>