嘻,可能好多人曾经做
$ ?* Z/ e5 w" p1 c5 n) k1. T之长度值为何?' Q7 N G8 v7 G# z1 | \
a. 7.2941 b.7.2419 c. 7.2149
" s& d& n/ N8 Y9 i' m2. DC之距离为何?( ?$ L: Z, A$ N' B' o
a. 108.0159 b. 108.0591 c. 108.0951/ J6 [$ ~: ^% k+ P0 S/ d
3. ∠ABC之角度为何?
0 c1 n; b% J5 x( Y( g+ R1 j( l a.62.3100 b. 62.3010 c.62.3001
9 V$ } C2 u3 n, f( O# t4. 最外围之周长为何?
( n/ Y, x, V% \" k z* D; ~, \; m a. 608.6058 b.608.6508 c.608.6805过。 |