【进阶级练习题77】5 h6 Z3 c: L. O/ c' ]( G$ Z
& y% |" Q. {) v, L$ O8 D5 I
求: % R9 ]' J+ A# L* [. T9 y1. a 之半径为何? 1 ` T+ K3 [; W& e2 O# s& @: m a.49.9258 b. 49.9528 c. 49.98523 G% W8 f: _) X6 g
2. AB 之距离值为何?7 l( J7 U! n+ a% h) C
a. 174.8026 b. 174.8260 c. 174.8620. ^9 _0 x6 \# [0 ^8 G' o% ]
3. b 之长度为何? ) A& ?4 m0 T0 L6 f" z/ c a. 94.0187 b. 94.0781 c. 94.0817& e+ a; j3 Z4 C7 p0 i0 k& R+ W
4. 剖面线区域之面积为何?1 W/ j' n& l+ s' }2 g+ L
a. 2789.9259 b. 2789.9592 c. 2789.9952
1. a 之半径为何? c. 49.9852 6 N \. m1 ]0 s : B* d: l" p. B. }" z2. AB 之距离值为何? b. 174.8260 S$ H9 m* D4 p; l8 H% a/ j2 N" X8 x, _9 w/ B+ N7 B
3. b 之长度为何? b. 94.0781* k" ~. i4 t# R% l