- ^2 M- M' B. C0 K) e求:" }4 E2 @* z' o
1. BC 之长度为何? - F+ J0 h6 o# Z5 I a. 62.8677 b. 62.8767 c. 62.8776 ' V7 K$ O# P0 s/ N2. a 弧之长度为何? ; ^/ N& K3 D! d( Y, W; P a. 106.7237 b. 106.7327 c. 106.7723 4 c# i5 ?6 x0 ], r9 U0 M3. ∠ADE 之角度值为何? 8 ?! `( g6 l8 ?* A. v9 S+ P0 y a. 54.487° b. 54.748° c. 54.874°/ N" h6 x G/ z X- g3 E. M) a; l+ \ M
4. f 之半径值为何? 7 ]+ _ p4 {. _) [* H a. 9.9064 b. 9.9406 c. 9.9604 5 y4 _. Z8 X) Y$ p+ i5. g 之半径值为何? 7 V0 a8 k2 i8 G6 \& c8 A a. 6.9147 b. 6.9417 c. 6.9714
练习题106答案:6 @) u7 T6 i/ O
1. BC 之长度为何? . Z- T; v' s, `& p' E c. 62.87762 @/ h) C% [- L* x n! N
2. a 弧之长度为何?1 r& ^5 q5 v' q3 n4 s
b. 106.7327! `/ i* V, k1 X8 I
3. ∠ADE 之角度值为何?6 o T# p% c3 B+ I: [9 H+ f
b. 54.748° 7 A7 w2 {& B) J) F. u, ^4. f 之半径值为何? + V3 y' i) W% F" W b. 9.9406" {- |6 \: M* x- C" s2 G4 E3 A0 u& K
5. g 之半径值为何? + f7 x# D3 B# r' Q1 R, v+ R0 o c. 6.9714