【进解级练习题61】 ]7 N& E3 d ~: e ' \ Z* t4 c2 \; j求:) W% d- K. d$ |
1. a 之距离为何? 1 j9 K) O9 j5 h" |0 ?5 \* D# s a. 15.7058 b.15.7508 c. 15.7850, [ V5 h( b1 Z% p' p; R$ L
2. b 之长度为何?0 I; T( R- S4 h* D/ J% [% J
a. 66.1049 b. 66.1490 c. 66.1904 $ r V ]: r {, u' {1 b- }3. c 之角度值为何? 6 c; p' d0 k- c7 H4 I) s; P0 M% W! l a. 57.6973° b. 57.7693° c. 57.9763° ) P* S" N \: t3 `0 V9 {! i4. 此图外围之面积为何? - l N! E8 h" p/ X3 u! x5 C+ ~ a. 2479.7102 b. 2479.7120 c. 2479.7210
1. a 之距离为何? c. 15.7850 T- D0 d B ]. D& X& E5 a0 a
2. b 之长度为何?b. 66.1490 6 \; E' _1 p) A0 x6 i
3. c 之角度值为何? a. 57.6973° z+ R2 E3 h1 l. V
4. 此图外围之面积为何?c. 2479.7210: p- H& n. {/ ]* }# }+ H" U
9 b( F) n5 S/ g- X& r% c