若点C是线段AB的黄金分割点且AC>BC,则AB/AC= _ ,BC/AB= _ .
问题描述:
若点C是线段AB的黄金分割点且AC>BC,则
= ___ ,AB AC
= ___ .BC AB
答
由题意得:
=AC AB
=BC AC
,
-1
5
2
∴
=AB AC
=2
-1
5
,
+1
5
2
=BC AB
.3-
5
2
故本题答案为:
,
+1
5
2
.3-
5
2