200mm = 20cm
1 cm = 10 mm 200 mm = 20 cm
if you have 100 millimetres, you have 10 centimetres. 200mm is 20cm, and so on. this is because there are 10mm in every cm
10 mm = 1 cm so 200 mm = 200/10 = 20 cm. Simple!
True. 20cm = 200mm
200mm
0.2
200mm
200mm
600,000mm
7 pts
If you mean how many mm in 20cm then there are 200mm