求:* Y' m! s# d* c: @, r
1. a之长度为何? v( K6 Z( A4 K- ^5 S! l! u. j8 E
a. 46.1429 b. 46.2491 .c. 46.4219
/ K" p$ H9 O: U( O0 D6 |; l2. b之半径值为何?1 E L" l0 q% @- e! J) R9 K/ Q9 _. {
a. 29.6819 b. 29.8169 c. 29.9186
: x( I( M3 I9 P& u6 \- }3. c之长度为何?
8 q( _& A0 ]3 G( K5 R8 U6 C8 q a. 33.8928 b. 33.9829 .c. 33.9928( b4 s5 S9 @: A$ b0 _$ n1 h; A1 @4 Q1 @
4. d之半径值为何?
& p& I) v- I6 ` a. 23.5789 b. 23.7859 c. 23.8795
" x# e% `2 o- @! ~+ i6 a j+ [5. e之长度为何?. m9 O6 j% I1 \
a.53.4548 b. 53.5448 c. 53.8445: c- A# i3 A0 s, w: o
6. f之半径值为何?
7 ?$ [ {- V0 L+ t, L a. 49.0000 b. 49.0120 c. 49.1020/ I, V1 I5 V) N2 [: S3 W. j% m/ E: j
7. 青色剖面线区域之面积为何?
. }% K; [2 F1 i0 a1 O' W. a a. 2977.2585 b. 2977.5385 c. 2977.5835
3 A% M8 f, a3 Q7 o# \2 K( q# `) c. G/ D/ J* c g+ @
% d( v H$ p- @; Y$ D, P
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