1. AD 之距离为何? " b1 b. G" I1 o, }+ T& t b. 65.0780 ! y7 i- ^7 E8 J9 c+ O1 Z" a
2. ∠ABC 之角度值为何? 8 I p+ T( k. H+ P8 ~' g c. 84.912°6 n7 H' y+ ^) y$ t
3. a 弧之长度为何?/ ?6 o7 r! |, o9 O" K1 x6 t7 O
b. 37.4818 : u3 C* L5 ^' n" v- A$ I0 _3 V5 L4. 此图包围的面积为何?8 {2 d* K, w7 t# |+ I/ ?# t3 y
c. 3397.8710
1. AD 之距离为何?8 u5 s7 _8 n, B1 }
b. 65.0780 7 a z& n9 T" @+ v9 ^4 s0 K4 J
2. ∠ABC 之角度值为何? 4 e- M3 O3 n8 e& T6 k1 K% ^( b c. 84.912°6 f' T9 @. s0 p% r
3. a 弧之长度为何?/ n4 t* e' O( L( O1 L
b. 37.4818 # F+ T' G: j. _3 S4. 此图包围的面积为何?8 D' _# a% P# u$ A; |; ^
c. 3397.8710