【进阶级练习题95】 9 g* H3 I1 E! m* Y2 I2 x% P 7 d' Q& Z7 r1 V _求: & h4 y( Z" i, K/ I1 m1. a 弧之长度为何?. {: r; k* |- Q+ F& E: U
a. 69.4652 b. 69.6452 c. 69.5642' R. w# i/ Z0 K5 M7 m9 T( ~; _
2. b 之半径值为何? 8 p: q6 j: q! C7 v a. 8.1584 b. 8.5184 c. 8.81543 E5 K" {4 j) F
3. DE 之距离为何?5 @2 t" J. J# X" Z, L4 ]: ?& `+ |
a. 52.3349 b. 52.3439 c. 52.4339' V' Z5 W! B/ z. Q( a( l b
4. ∠ABC 之角度值为何?1 ~8 A/ `" k2 M$ _% }' A
a. 87.0561° b. 87.5061° c. 87.6510°+ }+ _3 o0 n0 c; l! I$ f% c) T
5. 剖面线区域之面积为何? . W* s, g s+ V' f+ u$ s a. 1321.0485 b. 1321.4085 c. 1321.8405
1. a 弧之长度为何? a. 69.4652 t3 k, y4 h& |. f2. b 之半径值为何? b. 8.5184 5 b3 D8 P7 R4 w8 |
3. DE 之距离为何? c. 52.4339: R9 F) g9 p W
4. ∠ABC 之角度值为何? a. 87.0561° ' W, r @6 ~. F6 f: E
5. 剖面线区域之面积为何? b. 1321.4085 " j' v [0 u+ U3 E( R0 h0 ~) m
1. a 弧之长度为何?2 N( N w) f/ W# y1 n
a. 69.4652 b. 69.6452 c. 69.5642 % g2 r$ H0 w' o: ]7 b2. b 之半径值为何? 7 U& A' V) e/ m2 D( c& r a. 8.1584 b. 8.5184 c. 8.81547 a& a& t' u% g1 ^0 z
3. DE 之距离为何? L4 M3 I! r* s) i" o" v8 J a. 52.3349 b. 52.3439 c. 52.4339' D- M9 p6 u! r* |
4. ∠ABC 之角度值为何? 2 I0 D1 R2 V9 m4 C$ [/ K) w* t& Q" E a. 87.0561° b. 87.5061° c. 87.6510° ( D: `" }3 j; S3 k$ e* f6 O5. 剖面线区域之面积为何?: \# H5 @- O( c4 c
a. 1321.0485 b. 1321.4085 c. 1321.84055 M( k. p9 V; O' S( b) x4 U+ ?
abcab& K! e" g6 ^- }% F+ L6 c