求:5 R* j" u: C5 i" h
1. a之长度为何?
6 g3 B7 R- X+ U! v: z a. 46.1429 b. 46.2491 .c. 46.42194 @9 |& R0 I. {" }* Y5 a; ~: ^! ^
2. b之半径值为何?
' Y/ |( Z; ~) r; E( t" ^& A4 F a. 29.6819 b. 29.8169 c. 29.9186; I$ W6 {# h2 p2 l% t7 Y( E
3. c之长度为何?
; p) w' o" g' ^' E0 k7 _ a. 33.8928 b. 33.9829 .c. 33.9928! t) u( s) {. B, R
4. d之半径值为何?
6 p! R% P* f9 Y2 t/ ]$ | a. 23.5789 b. 23.7859 c. 23.8795
* e, G5 @% w* @3 n- S) W- i5. e之长度为何?3 j2 T! Z6 X0 Q9 S' l
a.53.4548 b. 53.5448 c. 53.84458 e5 _" P3 L9 n! j
6. f之半径值为何?( l* o! O+ a; w3 A8 ~
a. 49.0000 b. 49.0120 c. 49.1020
7 m* i5 o3 q& n7. 青色剖面线区域之面积为何?( P# p/ j$ F0 S5 T& F, O, I3 b3 S* V
a. 2977.2585 b. 2977.5385 c. 2977.5835
! H6 m7 I+ ~: ?5 e( n4 p: x, z5 k4 K9 v) n! E8 W- u* _1 m
" H! e6 }+ u: O+ P" p" }二天后公布答案 |