【进阶级练习题37】0 e: U( p! J' T: _) U2 O$ k% \
原创:Joseflin先生(台湾) 整理:SHAONX(上海) 8 P) T# a' t" ?) K U U9 E, m$ T3 J0 W" P$ c# A+ u$ l
求: P" j- Y. S( A; \
1. AB之距离为何?) E( |9 i+ |: z" \
a. 161.2023 b. 161.2203 c. 161.2302: M0 e( ]# {/ j
2. BC之距离为何? $ e0 I3 B9 ]- S$ ]: P! ?% B a. 163.1166 b. 163.1616 c. 163.1661 # M, |2 k" m) h6 @- V; k3. ∠ABC之角度值?+ x' C: ]0 T6 a9 z+ n5 |; h5 ^0 H
a. 68.011° b. 68.101° c. 68.110° : d/ ?8 [& X1 n! r5 P& ?% N4. 扣除轴孔部份之面积为何? / t3 g) C& y: R8 i a. 30152.0943 b. 30152.3409 c. 30152.4903