求:4 t2 F' n" e6 v( [% H+ k% v# r
1. a之长度为何?
) c. @; z% y" g: I6 H0 U a. 46.1429 b. 46.2491 .c. 46.4219" _6 q. e3 K3 Y: E* g7 S6 M
2. b之半径值为何?, x$ \$ z, N3 g9 d' |
a. 29.6819 b. 29.8169 c. 29.91865 Z: J V% H" p# o* b; F) N
3. c之长度为何?) E- P8 N* `" j% h
a. 33.8928 b. 33.9829 .c. 33.9928
$ Z) ]4 u/ Q7 ?* a4. d之半径值为何?
; M2 ^! b$ d! i' @ a. 23.5789 b. 23.7859 c. 23.8795& w. [! X9 a' |+ _4 \/ c6 F. U5 M
5. e之长度为何?: q2 L4 @. B, t9 t: {! ?/ q1 M' l
a.53.4548 b. 53.5448 c. 53.8445* `: Z1 t& {2 ] C2 f
6. f之半径值为何?) W7 E7 h% R" o5 d; @" I
a. 49.0000 b. 49.0120 c. 49.1020/ x# L0 d/ Y3 f( [
7. 青色剖面线区域之面积为何?
0 P+ n$ O1 N: U: K a. 2977.2585 b. 2977.5385 c. 2977.5835! \2 ^6 o& B: N1 M; I6 Q
6 K1 u+ c+ ^( K) l
2 G: N' K9 _ P( b二天后公布答案 |