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# O* P( F# V' c% H* S# x0 S
1. a 值 (b c 偏移量) 为:2 {$ m6 S8 Q5 L) _2 u
c. 12.0512 3 q: x! b/ z( d2. b之弧长为: + y- T8 v# \2 O6 S c. 101.6641( j( R8 f$ A; n" B/ D8 H. m
3. c之弧长为: X% o+ h* n9 g; j" M* ~0 u
b. 50.1739 & B9 m) q, W% o$ X4. d 之半径值为: 8 c+ z* j- t& M+ e c. 7.2812 ' I4 R* I& t4 h: a5. e 之半径值为: + O2 f1 i% y( S/ J% H- B4 j c. 10.7950 , B ^" @( [' Y ^6. f 之半径值为:; P! |, n% r- b$ b( a2 x& m
c. 4.1522' I, T; e) O" a
7. 红色剖面线区域之面积为:2 @: n D" s/ L
a. 84.0224