. | v. G/ e1 ]. H: K6 u8 W4 B8 L求:$ e) ^2 }/ q* E3 Y4 c4 s+ A
1. a 弧之长度为何? ! r! H, V) H( V9 ]: ^: K a. 69.4652 b. 69.6452 c. 69.5642! O+ ^$ d# C2 _
2. b 之半径值为何? A: A$ n+ O& \" A9 O0 G! t* r7 J1 ~ a. 8.1584 b. 8.5184 c. 8.8154. f) j3 s6 E' E% `4 B
3. DE 之距离为何?% G( [2 x; t( U: M- g% f
a. 52.3349 b. 52.3439 c. 52.4339# I- y$ r' S' X1 A8 j& P" h
4. ∠ABC 之角度值为何? ( [* o) o' T- \* }4 W a. 87.0561° b. 87.5061° c. 87.6510°) q$ v' {: p7 X1 P
5. 剖面线区域之面积为何? : {; _9 `6 e' k a. 1321.0485 b. 1321.4085 c. 1321.8405
1. a 弧之长度为何?- d6 N* ]( A, D, Z" W/ F! ]( |: J/ G: Y
a. 69.4652 b. 69.6452 c. 69.5642 3 q) p3 K; d) ^1 ^2. b 之半径值为何?0 ~3 Y2 B7 ?+ E' l4 `: g
a. 8.1584 b. 8.5184 c. 8.8154 8 W7 A6 _" r* J& X3. DE 之距离为何? 8 ^( ]2 W' C% P4 _' Y; ~$ ~ a. 52.3349 b. 52.3439 c. 52.4339 / I3 n- c# f! H8 f4 K4. ∠ABC 之角度值为何?& n! k9 |6 S5 O- s" F
a. 87.0561° b. 87.5061° c. 87.6510° l5 F- N: {1 D: c; b# f' `! M/ Z5. 剖面线区域之面积为何? i4 E |3 E4 B1 I5 t
a. 1321.0485 b. 1321.4085 c. 1321.8405" L1 L" L! z8 ~ Z& F
abcab 1 Y6 I Z1 z: ]2 z3 _( O