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发表于 2007-7-19 08:23:05
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来自: 中国台湾
1. 作100X100X100之正三角形ABC
: ]( _; }4 B" w! D, q. {. i) ^8 t2. 以CIRCLE(t t r) →'1'st=tanAB弧 2'nd=tanAC弧 r=27.5 →作#1圓(藍色)
* h. @9 T& K8 o+ \6 O: \3 s3. 以CIRCLE(t t t) →1'st=tanAB弧 2'nd=tanBC弧 3'rd=tan#1圓 →作#2圓
4 a. s c+ H% k5 N- U0 m; L$ S0 x4. 以CIRCLE(t t t) →1'st=tan#2圓 2'nd=tanBC弧 3'rd=tan#1圓 →作#3圓" z3 M& f- n7 D% k, l% B! v5 Q
5. 以CIRCLE(t t r) →1'st=tanAB弧 2'nd=tanAC弧 r=30 →作#4圓(青色)
. |! X2 w+ X) |2 a( Z6. 以CIRCLE(t t t) →1'st=tanAB弧 2'nd=tanBC弧 3'rd=tan#4圓 →作#5圓% b& g! r0 D' f+ D' n
7. 以CIRCLE(t t t) →1'st=tan#5圓 2'nd=tanBC弧 3'rd=tan#4圓 →作#6圓( A9 N, t7 Y8 X `
8. 以CIRCLE(t t r) →1'st=tanAB弧 2'nd=tanAC弧 r=32.5 →作#7圓(綠色)% ~4 k+ I6 I8 g& Q0 f# O. y, w
9. 以CIRCLE(t t t) →1'st=tanAB弧 2'nd=tanBC弧 3'rd=tan#7圓 →作#8圓5 f" ^& x9 p4 \8 L
10. 以CIRCLE(t t t) →1'st=tan#8圓 2'nd=tanBC弧 3'rd=tan#7圓 →作#9圓
& ]: |) O3 p. g9 u/ }11. 以CIRCLE(3p) →1'st=#3圓之圓心 2'nd=#6圓之圓心 3'rd=#9之圓心 →作#10圓 並與AD交於E# D' z V: K7 ^& P2 k O2 A8 F
12. 以CIRCLE →cen=E r=ED →作#11圓(紅色)
6 C3 ^2 Y5 v+ t$ M: N0 X6 e13. 以CIRCLE(t t t) →1'st=tanAB弧 2'nd=tanAC弧 3'rd=tan#11圓 →作#12圓- x1 e: ?8 }) x
14. 以CIRCLE(t t t) →1'st=tanAB弧 2'nd=tanBC弧 3'rd=tan#12圓 →作#13圓! x2 C s; G J: h, O$ X7 w ]
15. 以CIRCLE(t t t) →1'st=tanAC弧 2'nd=tanBC弧 3'rd=tan#12圓 →作#14圓 |
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