【进阶级练习题74】8 e0 L& u. [) x0 q
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求: ( q7 O+ ~ |9 v5 ?5 v1. AD 之距离为何?4 F, s! T" a& |7 h9 y: `
a. 65.0078 b. 65.0780 c. 65.0870! A0 C( B% ?& \0 U: D
2. ∠ABC 之角度值为何?# a: F* B3 Y) W8 ]3 Z* ?% r
a. 84.129° b. 84.219° c. 84.912° t1 c) v8 Y3 b7 y3. a 弧之长度为何? ' P; C, x3 L) O a. 37.4181 b. 37.4818 c. 37.4881& ^0 A, o2 M" O+ O
4. 此图包围的面积为何?1 S5 s1 v: K3 b; P: i; C# k
a.3397.8017 b. 3397.8107 c. 3397.8710
1. AD 之距离为何?4 g! s7 A) k2 k1 d; {' i
b. 65.0780 1 \/ F, J: L, v1 p' }, D$ ^2. ∠ABC 之角度值为何?, [8 E% Q1 ^/ r' `
c. 84.912°3 s" X1 F8 j2 X
3. a 弧之长度为何?: _- x0 w9 O) g1 [8 d3 \ v
b. 37.4818 $ x I4 [% _6 u/ b4 c. I4. 此图包围的面积为何?9 h, r1 X+ H1 l. L
c. 3397.87109 t N+ V0 }5 m9 O# N5 f/ W
1. AD 之距离为何? , ` l* B, Z/ k6 b; b b. 65.0780 $ a9 P X ~8 P: t$ }+ h2. ∠ABC 之角度值为何? 5 Y9 {. t" i" O1 {3 B& r6 J c. 84.912° : e. j X# ]9 l. @) g: R! } b3. a 弧之长度为何? K3 ]1 R- B" F7 G E0 A b. 37.4818 0 a! u8 t5 R7 D' ?- ^8 c4. 此图包围的面积为何? 4 d+ C( {- w9 c) T9 B' ]4 i. @ c. 3397.8710