1. AD 之距离为何? b. 65.07801 x6 ~0 n, O' o
: E) L' @% X! m* `( \% h
2. ∠ABC 之角度值为何? c. 84.912° 6 N. F4 S0 _8 f - T' p' T+ L+ k2 J& I$ k8 t3. a 弧之长度为何? b. 37.4818 ) L. E5 C8 k$ K, y; N$ r
! a. {0 c0 s% R+ v4. 此图包围的面积为何? c. 3397.8710* ]( q0 z6 l' ]
6 P$ F& q# D3 B
1. AD 之距离为何?. P: [7 Y. ^) g# I+ R/ F7 w* q
b. 65.0780 ( Q2 j2 N1 B3 u% h# g$ E1 K' W( B. h
2. ∠ABC 之角度值为何? 0 v V) p: Z' Z/ H' f c. 84.912° , {) \8 u5 {# U! z3. a 弧之长度为何?0 `" C- P; N; L/ S
b. 37.4818 " W3 ^" s1 Z. X
4. 此图包围的面积为何?6 o: L0 H# Y' ]7 d) K5 e
c. 3397.8710