求:
/ Q5 `9 `' ~. C$ ], y o1. a之长度为何?* w, F; F$ w* F
a. 46.1429 b. 46.2491 .c. 46.4219 Y* a0 r1 {& M7 R! Q
2. b之半径值为何?: D8 h1 ^& }- g6 C5 o4 e9 c
a. 29.6819 b. 29.8169 c. 29.9186
: X4 l! C1 x9 Y+ f2 Y' a5 Q, P3. c之长度为何?5 w5 J7 P# T7 Y w/ b& d( q
a. 33.8928 b. 33.9829 .c. 33.9928: y- q) s- C1 p1 X/ ^) h
4. d之半径值为何?
|3 y; p+ h, S* d7 ]4 l a. 23.5789 b. 23.7859 c. 23.8795
% l" c" V+ q$ r5 d+ x, J" q$ U* L5. e之长度为何?
- V! |% u! N. v% s- A6 M# t a.53.4548 b. 53.5448 c. 53.84459 y2 }* F G' a* H$ P
6. f之半径值为何?
g h0 i2 Z$ ~% P8 U7 d) ~ a. 49.0000 b. 49.0120 c. 49.10208 B; p2 N3 F' `3 [; G' h
7. 青色剖面线区域之面积为何?0 ^& |, S% V: {7 A
a. 2977.2585 b. 2977.5385 c. 2977.5835
. ]! x* u% f* o4 n; B4 y; ?$ I& K7 B8 S2 j% p9 I
. c, \. ^" d. e. @# I$ ]$ [
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