【进阶级练习题95】$ q( `4 }, d6 o* C1 W$ w) Q
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求: * \" l- h( r' O& o9 F1. a 弧之长度为何? $ z- N0 P$ y) e& Y a. 69.4652 b. 69.6452 c. 69.5642 0 Q- J- q8 a# n* ^! _* y0 Z2. b 之半径值为何?! p7 @: W" J1 W
a. 8.1584 b. 8.5184 c. 8.8154 % m1 y0 k1 G7 X) I. g5 S5 M2 ^0 u3 U3. DE 之距离为何? ; u/ i3 c4 i9 D) E a. 52.3349 b. 52.3439 c. 52.43390 x3 P: k4 j/ C! ?1 v1 Q$ H4 I* [
4. ∠ABC 之角度值为何? " P B8 E) y- d W; h' m a. 87.0561° b. 87.5061° c. 87.6510° / z+ }2 D8 l( A9 o. s/ A5. 剖面线区域之面积为何? " m3 `% V' P# b j5 G7 q; a' P' X a. 1321.0485 b. 1321.4085 c. 1321.8405
进阶级练习题95答案: ( y. a; C4 V# y7 n0 h1. a 弧之长度为何?5 ]: i* w6 w% W @6 S
a. 69.4652 ) x7 c" }9 M4 L# u1 q
2. b 之半径值为何?4 v* a7 ~! _0 A) l6 C D2 {) Y
b. 8.5184 / F" v9 F0 z2 x' M$ O" @+ t" N3. DE 之距离为何? $ v9 S# K' Q( J) b. J c. 52.4339 * c( l% }9 j. p4. ∠ABC 之角度值为何?1 G* H. m2 u' q! g
a. 87.0561° ( t. A t7 b, A: D: `$ G: p
5. 剖面线区域之面积为何?3 b6 O9 `* j4 Z
b. 1321.4085
1. a 弧之长度为何? . G/ f& K+ w8 {. {+ m$ \$ l ~0 d" p a. 69.4652 b. 69.6452 c. 69.5642) V- s0 l. M6 O9 B' f; X. ?4 @
2. b 之半径值为何?1 N* J1 d$ D& e0 h; g& i$ G
a. 8.1584 b. 8.5184 c. 8.8154 1 C( U; M9 i1 B& i- W3. DE 之距离为何?. V- K; W6 x9 S6 Z6 s
a. 52.3349 b. 52.3439 c. 52.4339 7 \. Y e* A$ F8 I P4. ∠ABC 之角度值为何?' x/ o' e: @* [. Z4 [! u3 {* Z
a. 87.0561° b. 87.5061° c. 87.6510° } q' ?7 K) ?- X2 O) |/ U, {+ N
5. 剖面线区域之面积为何? ; S' \" k: T& P" e& H* e) |; r0 ?+ ~ a. 1321.0485 b. 1321.4085 c. 1321.8405( _1 {8 s, |% M3 H
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