shaonx老师今天晚上把条件给全了,这就简单多了~~~9 M2 }: s+ w5 i/ `( f0 R v
1. AB 之距离为何? 9 Z# O( }& S2 F6 |1 u* E0 }; A. S b. 75.9495, F" k B/ z; x4 O z. X% N
2. ∠ABC 之角度值为何?+ W3 r+ m* N8 r
b. 66.3179°$ W+ c K5 V/ V7 Y
3. 此图围成之面积为何?! L7 \4 n8 H ]0 ?
a. 3741.6436
1. AB 之距离为何?- M5 a( X) U2 O ]/ Q' ^
b. 75.9495/ u! t' q: Q; j
2. ∠ABC 之角度值为何? 2 i, s1 t0 F9 @6 N1 { b. 66.3179° 2 s5 Q1 S' A$ [+ j3. 此图围成之面积为何? ! T, c$ r4 E t0 I/ E: o, Q- U a. 3741.6436