1厘米=10毫米
4.4cm =44mm
4.8cm =48mm
5.5cm =55mm
5.4cm =54mm
5.8cm =58mm
直径=周长÷π
π≈3.14
例如周长是44mm
直径=44÷3.14≈14.01mm
换算关系:1cm=10mm
换算结果:
44mm
48mm
55mm
54mm
58mm
周长S=ぇR ぇ=3.14159265358979323846264338327950288....... R为直径
直径R=S/ぇ
R分别为:
14.01mm
15.29mm
17.52mm
17.20mm
18.47mm
厘米和毫米的换算:一厘米=十毫米
换算后是44mm,48mm,55mm,54mm,58mm
4.4cm=44mm
4.8cm=48mm
5.5cm=55mm
5.4cm=54mm
5.8cm=58mm
换算关系:1cm=10mm
1cm=10mm 啊!你不知道阿?cm代表厘米 mm代表毫米!