【进阶级练习题96】 8 w- q; S: K4 k, x8 i6 C! Q ' X1 C5 M2 k: m& v* w# w* g; d7 Z求:" }3 e6 [( k$ |+ a
1. BC 之长度为何?% @6 ~: [1 j' e; J$ u
a. 62.8677 b. 62.8767 c. 62.8776 ! W- @* n; E2 q/ R4 T2. a 弧之长度为何?) h3 w3 z; p/ Z
a. 106.7237 b. 106.7327 c. 106.7723& e0 A2 q1 h( w
3. ∠ADE 之角度值为何?7 g. X' r7 w* F( y6 _+ R# Q9 R% |
a. 54.487° b. 54.748° c. 54.874° 1 X' q4 p+ E, I: B6 i f4. f 之半径值为何?9 `6 u$ d: E: @! j# @( t
a. 9.9064 b. 9.9406 c. 9.9604 5 X' x" H& q4 D$ j8 `5. g 之半径值为何?+ ~, e2 C0 H. D O/ |$ h
a. 6.9147 b. 6.9417 c. 6.9714
【进阶级练习题96】5 |+ f4 H' E: k 求: 0 \- e6 c, R6 E" ]1. BC 之长度为何?c. 62.8776( C. Z, g. I6 J' R6 I
2. a 弧之长度为何?b. 106.73278 [) c8 M' c) a9 T9 H
3. ∠ADE 之角度值为何?b. 54.748°5 z. ]3 P9 e5 b, V; l
4. f 之半径值为何?b. 9.9406 ) a }& k+ Z: Z+ W& s5. g 之半径值为何?c. 6.9714
练习题106答案:9 d O B. L8 Y
1. BC 之长度为何?! ~) g8 v+ f* D' G! w
c. 62.8776 . M! Y" m6 s, o2 Y, ~+ Z0 }2. a 弧之长度为何? ; O7 N4 r. V$ W$ o7 z+ H1 j' r b. 106.7327 $ D' K0 X- i3 g5 r3. ∠ADE 之角度值为何? * }: h" f( ?- }$ u4 x# R b. 54.748°0 _7 D" `6 s" f
4. f 之半径值为何?( a3 x' Q3 ?5 R7 m
b. 9.9406 4 m! a* W* t# V4 A5. g 之半径值为何? 8 O+ Y% c+ Z$ y% T c. 6.9714