【进阶级练习题37】 $ m% S3 n% Z c1 m8 Y# q6 H原创:Joseflin先生(台湾) 整理:SHAONX(上海) 5 D' X+ {3 _2 w0 L# Y0 { 0 D Y1 }7 l# i& T. b2 z( @求: 4 \, _5 G1 M7 j ~$ u1. AB之距离为何? 9 H$ m* S5 k7 {# C! k- H a. 161.2023 b. 161.2203 c. 161.2302 * j( h0 @. w/ J6 g8 ]2. BC之距离为何?' s' Y. g1 K, ^! O: O' Y
a. 163.1166 b. 163.1616 c. 163.16612 O+ `5 g1 O( I( }- U
3. ∠ABC之角度值? 6 }+ V5 X- g& E a. 68.011° b. 68.101° c. 68.110°/ L9 p7 M9 _% w# _2 \$ k( h e/ }' u
4. 扣除轴孔部份之面积为何? 0 Y( ]% y/ W( y1 \2 P a. 30152.0943 b. 30152.3409 c. 30152.4903