' L! {" o9 Y/ P# h$ Y9 {求:1 x- u g9 c) o! d( R6 c
1. a 之角度值为何?1 J% M- o& l U6 X0 J' f& k
a. 45.3866° bg. 45.6638° c. 45.8366° w( i& n0 f. d d
2. c 之角度值为何? 4 ?- s- x$ E5 F6 Q5 y4 q a. 66.1106° b. 66.1116° c. 66.1126°. A* Q+ P, K" A8 q6 Q
3. e 之角度值为何? i7 ~5 W* }: Y/ ~9 K
a. 60.0136° b. 60.1306° c. 60.6013° 6 O. j1 ]7 a) a4. p 弧之长度为何?5 c1 k" z: ?& {: t
a. 36.9042 b. 36.9204 c. 36.9402( t, d. k* {6 \: P2 O% L
5. ∠ABC 之角度值为何? 9 q4 f! ~+ B3 E' e# Q* R: ^) A a. 51.4594° b. 51.5494° c. 51.9445°# C* a' K& X+ A# {/ P
6. 此图围成之面积为何? 9 |; A/ _1 w& S6 U/ e# j. v( B a. 7380.6246 b. 7380.6462 c. 7380.6624