⑨ A B C D 16 S1 E 16 S2 49 24 F N 73 ① ② ③ ④ ⑧ ⑤ ⑦ ⑥ 12 89cm 62.5cm 58.
A ① C ③ ④ B ⑧ ⑧ ④ C C ⑤ ③ C ② ③ F ⑤ ⑨ 8 E N ③ ⑧ C ③ ② ⑤ ⑨ D N F ⑦ F ② F A ① E ⑨ C B ① ③ ⑦ C ⑥ ① ⑦ D C ⑥ S2 8 2
10 3
9
E D S2 N N 8 8 8 5
7