【进阶级练习题22】3 i: o# C3 ]3 w 原创:Joseflin先生(台湾) 整理:SHAONX(上海)6 p/ \% q: n1 j9 Q2 s
1 o% B$ N0 D4 h, l6 z% L6 l8 D; `求: - ]6 c; y+ W& X1 A1. AB之垂直距离为何?4 E n$ P1 ~" X% J6 O
a. 144.9038 b. 144.9308 c. 144.9803 3 I* |+ Z0 Y/ [! A' A2. BC之水平距离为何?. r a4 F% y! u9 }6 ^: \
a. 99.9100 b. 99.9500 c. 100.00000 |, O. B0 [9 v8 Y( \
3. ∠ACB减去∠ABC之角度值为何? 1 q/ z7 J v; l# f+ B) w a. 43.234° b. 43.342° c. 43.423° 8 ^$ B8 J: ~: M9 k( O& s( D4. 红色剖面线区域之面积为何?$ x' c6 e% c$ @( T5 o5 m) B
a. 9149.9199 b. 9149.9919 c. 9149.9991! {: j4 M* T A9 Z
5. 最外围之周长为何?+ U9 Y9 K( O+ r
a. 893.8578 b. 893.5858 c. 893.8875
答:1.a 144.9038! J, i0 C. O. T [- w5 @# r; P. @
2.c 1002 q, p* m) E! ^5 t7 j3 [
3.a 43.234/ M3 V: O" ~6 ]( b4 Q) ]* [
4.b 9149.9199 " c F' d }5 M0 }6 T% B/ t! c 5.c 893.8875