+ ?/ n/ s) m0 ]+ J4 h& @' M3 J# F求:* |5 s& \$ n! h* z
1. AB之垂直距离为何?% U' q. H; \4 E) z1 p6 v8 P( D
a. 144.9038 b. 144.9308 c. 144.9803" H( T) s' z! h, K8 L ]
2. BC之水平距离为何? ; Z, K3 S. ^& l$ M3 V a. 99.9100 b. 99.9500 c. 100.0000+ x5 Z; ?. {* `9 @6 r( W/ ~* E. q0 z1 D
3. ∠ACB减去∠ABC之角度值为何? 2 h! p8 @( Z5 r a. 43.234° b. 43.342° c. 43.423°; g4 T! \1 X/ B- Y; q! Z6 X3 _0 k3 n
4. 红色剖面线区域之面积为何? 1 H. w5 l5 D/ w0 Y a. 9149.9199 b. 9149.9919 c. 9149.9991 ^9 t" h3 v9 Q
5. 最外围之周长为何?/ s" t+ p" l* k- d* ~6 {* K( z& P; X
a. 893.8578 b. 893.5858 c. 893.8875