1. AD 之距离为何?4 N/ n1 D- F# ~# n! V, w1 P# r' ?# ^$ l
b. 65.0780 & c8 ]% _8 F( G1 @! t- E
2. ∠ABC 之角度值为何? 3 X+ Y9 P5 x% ~, }2 E- L$ {) b c. 84.912°# Z. K( k* a5 }) d. X
3. a 弧之长度为何?, f! Q7 U l* `9 c9 y
b. 37.4818 1 v$ ~( p) ]+ s' E# A
4. 此图包围的面积为何? - L2 U) e( D2 ? c. 3397.8710
1. AD 之距离为何?2 _3 k' G7 V: K0 n6 Z
b. 65.0780 " s: L5 C8 P2 ~5 n% I5 A2. ∠ABC 之角度值为何?+ G2 W! v6 f3 A& g$ I
c. 84.912° , R/ f# N0 e, f3. a 弧之长度为何? 5 V P. A( A Yb. 37.4818" h+ ~8 `9 f$ E6 l! Z
4. 此图包围的面积为何?% |/ V# Y" R r8 V' J. B
c. 3397.8710 ! f3 ]- B' z3 r% u ~5 @+ d: K6 _- `- [( N, r/ @3 k
[ 本帖最后由 lhp8008 于 2008-6-1 23:06 编辑 ]