【进阶级练习题37】 8 u: Y- r- [$ A! @+ e; u原创:Joseflin先生(台湾) 整理:SHAONX(上海) ) {$ O; e. B% V0 P/ V. K0 k f, \
求:) J/ q. S3 C5 q9 l5 t- T. j t
1. AB之距离为何?+ R) P1 m" N! j0 j! d0 C w
a. 161.2023 b. 161.2203 c. 161.2302% |& x* E$ l) r( B$ a
2. BC之距离为何?5 x; y! E9 O& ?* l
a. 163.1166 b. 163.1616 c. 163.1661' |4 x* [" z, N1 U" Z
3. ∠ABC之角度值? % k; }6 u/ S" c9 s/ s a. 68.011° b. 68.101° c. 68.110°0 U! q) I3 P* ~; A7 [
4. 扣除轴孔部份之面积为何? 4 k" B* S, k& n$ G# x: L a. 30152.0943 b. 30152.3409 c. 30152.4903