【进阶级练习题95】 7 d3 q* d% j8 m5 X8 J$ k' h 2 l6 p8 p. u: G- L求: $ n0 @( @9 d) b( @ C( b& t1. a 弧之长度为何? : a M3 c8 H9 \: S; Q a. 69.4652 b. 69.6452 c. 69.5642) z" I' _: a$ Q/ ]: W1 r
2. b 之半径值为何? ! }2 |: w# p9 G' E! b5 ^ a. 8.1584 b. 8.5184 c. 8.8154 - G- r' ]1 w# }: I N8 U5 K3. DE 之距离为何? 7 }: [0 S4 }$ P8 p. {) C/ [ a. 52.3349 b. 52.3439 c. 52.4339 ( @! c2 P: }5 X4. ∠ABC 之角度值为何?. Z8 X) ^% \1 `9 {5 a0 i7 \
a. 87.0561° b. 87.5061° c. 87.6510°3 Y: N7 c) Q" S
5. 剖面线区域之面积为何? . r; n6 d: C: v4 i6 Z6 J. [- a a. 1321.0485 b. 1321.4085 c. 1321.8405
进阶级练习题95答案:- V* b% t! s( I& j- Z
1. a 弧之长度为何?% ?' ?, S; A% [) j* c9 X
a. 69.4652 ) v k: o$ v' G4 B2. b 之半径值为何?6 I1 P( c+ q# ~6 S c }' B
b. 8.5184 ; i- s: ]" t$ q" ?) H1 I! |3. DE 之距离为何? , L. g1 B- W1 \) I c. 52.43390 F. S' @& b. y" b: i: t3 d
4. ∠ABC 之角度值为何? 1 ]3 P3 t% K, w" t: w a. 87.0561° 8 K1 G8 ]8 k' N W' o3 v. f5. 剖面线区域之面积为何? 5 r3 n1 y6 c; d8 Q- O! K b. 1321.4085
1. a 弧之长度为何? % n* X. ]0 z% l( g P& Y! g a. 69.4652 b. 69.6452 c. 69.5642 4 M( m: N9 g6 B$ G m2. b 之半径值为何?8 {# Z! A7 t8 ^; H' o
a. 8.1584 b. 8.5184 c. 8.8154 2 s& q3 l4 g, d+ ~) [7 j, _0 \3. DE 之距离为何?) U8 F" u# u- V' E' P( T/ n/ U
a. 52.3349 b. 52.3439 c. 52.4339 7 x% o& u1 ^+ t) c P7 N4. ∠ABC 之角度值为何?# @) G: X3 w6 I
a. 87.0561° b. 87.5061° c. 87.6510°* C. F8 p& i* @: Z$ [
5. 剖面线区域之面积为何? 0 o4 }2 @5 T9 H a. 1321.0485 b. 1321.4085 c. 1321.8405& ^, d0 ^1 @* _
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