进阶级练习题95答案:' @2 O R1 F* Q# V. X( P; [
1. a 弧之长度为何?0 x* S8 E3 B# c: l! u
a. 69.4652 : d, m% ]# X: K, Z% x) K' G2. b 之半径值为何?/ T0 M( u1 G2 o& F
b. 8.5184 7 Q+ [+ M0 M6 H2 P
3. DE 之距离为何? # \) C* X8 X) `, o8 P c. 52.43393 P: g& \' c: x' X
4. ∠ABC 之角度值为何?$ @# \7 P i2 S( D
a. 87.0561° 1 Q8 \4 @' c5 `1 r& z \8 r0 p5. 剖面线区域之面积为何?+ ]% a3 n! m/ j" k. r; l
b. 1321.4085
1. a 弧之长度为何? a. 69.4652 b. @2 {! ^* k0 E& o# s2. b 之半径值为何? b. 8.5184 . ?9 a4 e+ K* m# o; C
3. DE 之距离为何? c. 52.43395 O( F; u# {. M) s& h
4. ∠ABC 之角度值为何? a. 87.0561° + `, V+ e: `4 u h8 T) ]' ?6 W2 I
5. 剖面线区域之面积为何? b. 1321.4085 . u# q! h9 K& \2 D 2 ~+ R, D3 j" F& x I L/ _
1. a 弧之长度为何? 0 c; M# n" y# Y5 B V) l: I7 u' ]4 ]* i a. 69.4652 b. 69.6452 c. 69.5642; C' @% `" |# j9 s: x
2. b 之半径值为何?3 A& M( c7 [# U B J4 g
a. 8.1584 b. 8.5184 c. 8.8154( }+ D" [$ g" J8 x- y: H
3. DE 之距离为何?* j8 J$ Q6 w/ C" G. ^
a. 52.3349 b. 52.3439 c. 52.4339) r. m' ]0 W w9 [# Q7 y9 T
4. ∠ABC 之角度值为何?" ^- e1 h8 v# M5 N1 w$ A E( c2 S5 p
a. 87.0561° b. 87.5061° c. 87.6510° ' u7 j& Z2 }& l/ p E y. {5. 剖面线区域之面积为何?/ l: W8 a: O( h$ q9 }$ M# L+ ?
a. 1321.0485 b. 1321.4085 c. 1321.8405, g- b) G _7 C$ ^( b
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