% h6 e" C/ }( \* O# l% `求: ' f/ V) ?( _" s5 w+ s: ?1. a 弧之长度为何?* i. p$ m" U, C( j2 K& e6 E$ _
a. 69.4652 b. 69.6452 c. 69.5642- b7 G9 s( K2 e* c
2. b 之半径值为何?1 i! _- @% O% M7 ?2 r0 L
a. 8.1584 b. 8.5184 c. 8.8154& i. B+ T8 Y: D( h
3. DE 之距离为何?9 g# V8 u* G P; y) V0 K
a. 52.3349 b. 52.3439 c. 52.43397 |' ?; x+ |$ D0 r& n
4. ∠ABC 之角度值为何?) L( y2 _( L8 Y
a. 87.0561° b. 87.5061° c. 87.6510° , ?2 F8 e7 O0 f% Q8 W% F2 t# L5. 剖面线区域之面积为何? ) d2 L5 O, W" J8 Q" l- L) } a. 1321.0485 b. 1321.4085 c. 1321.8405
1. a 弧之长度为何? 9 d' K. C. b9 G9 W" y a. 69.4652 b. 69.6452 c. 69.5642$ V2 G! y" u8 G# ]0 J
2. b 之半径值为何? 2 O* t! i$ G* m4 @5 W a. 8.1584 b. 8.5184 c. 8.81543 z' r% v- f% b: z0 h& Y% z
3. DE 之距离为何?& d) @. }. X5 L% o6 f( q
a. 52.3349 b. 52.3439 c. 52.4339 5 I" A- I& R- B9 r# ?: m4. ∠ABC 之角度值为何?: I5 P: W) H# k D" h* v1 E& V
a. 87.0561° b. 87.5061° c. 87.6510°; E5 B0 ?! h; f) K& \
5. 剖面线区域之面积为何?& y Y* }& l5 W2 h5 l
a. 1321.0485 b. 1321.4085 c. 1321.8405- H& X+ ^8 L- N) j0 n* f
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