【进阶级练习题28】! y$ B8 _' v7 J6 b
原创:Joseflin先生(台湾) 整理:SHAONX(上海)" h3 c% }7 \8 F( B
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求: ( N: @3 R5 w9 v6 E2 r1. AB之垂直距离为何? 4 n' }3 k7 m) l! ^. Q a. 116.3129 b. 116.3291 c. 116.3912& w. a% u8 `) P* G* r
2. BC之水平距离为何? 8 F- K+ W, B5 B0 x+ L a. 62.5689 b. 62.5896 c. 62.5986 % j1 b' v- N* n4 w- R8 m3 C& y3. ∠ACB减去∠ABC之角度值为何? - M$ P; d% m. o0 w2 A a. 86.196 b. 86.691 c. 86.916 ! p; Q( I3 f- Y$ B4. 绿色剖面线区域之面积为何?% O$ r- e0 V' F7 Z+ d
a. 2061.1225 b. 2061.1252 c. 2061.1522 . A7 D; y2 H, L2 }, x5. 最外围之周长为何? 1 w; m' c! ]/ K" p* W a. 483.5235 b. 483.5325 c. 483.5532