【进阶级练习题37】- j7 \. `. A J4 K% }+ h$ l3 U
原创:Joseflin先生(台湾) 整理:SHAONX(上海)1 f. p( q5 ?" n- d
7 [6 I2 |7 q7 n
求:4 P0 m* H6 l! ]% {, s5 c% f& \+ h
1. AB之距离为何? : g0 f: u) O+ j, ^0 m a. 161.2023 b. 161.2203 c. 161.2302 2 A! G% O: H7 g/ S1 Y2. BC之距离为何?; f- F7 z7 a1 ?: {
a. 163.1166 b. 163.1616 c. 163.1661# N4 P- r/ N- a9 x: \: D6 g |' Z
3. ∠ABC之角度值? ! {8 o* j' F; { a. 68.011° b. 68.101° c. 68.110°2 f4 d; G) F$ I x% s+ W
4. 扣除轴孔部份之面积为何? . [. F. @5 k3 Z& t4 T U a. 30152.0943 b. 30152.3409 c. 30152.4903