【进阶级练习题15】 1 O5 s# w# ]% l原创:Joseflin先生(台湾) 整理:SHAONX(上海)6 B6 b8 b3 ]8 G; v
求: * g8 z! o t! s4 j) ^- N; R% S# T1. a 之距离为何?3 c0 M$ C" M$ c2 Q$ w
a. 51.3384 b. 51.3438 c. 51.38433 Y; _: I6 o% U [. t
2. b 之距离为何?- @1 `' `8 o. ~/ J9 K& b
a. 164.8014 b. 164.8104 c. 164.8401 ) k. V' P; q7 m* C$ u& u/ T
3. ∠ABC 之角度值为何?* _# s& f: `+ L# I7 e, Q
a. 60.056° b. 60.560° c. 60.650° / {, P% y9 m0 p* k+ [$ s4. 剖面线区域之面积为何? & S: ~% Q& V7 ?( d P" c a. 592.8029 b. 592.8292 c. 592.8922/ Y! X% T4 e8 K7 R; x
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