20
1 cm = 10 mm so that 2 cm = 2*10 = 20 mm. Simple!
1 cm = 10 mm2 cm = (2 x 10) = 20 mm
2cm + 7.2cm + 6.9cm = 16.1
You are seriously stupid if you honestly cannot work this out. 1cm is 10mm hence 2cm would be 20mm
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20 millimeters is 2cm
20
1 cm = 10 mm so that 2 cm = 2*10 = 20 mm. Simple!
1cm equals 10mm; 2cm equals 20mm. Metric is so easy, it's all in tens!
1 cm = 10 mm2 cm = (2 x 10) = 20 mm
20
Since 1cm = 10mm, then there are 2cm's in 20mm's
200 mm 1 cm = 10 mm 1 mm = 0.1 cm
There are 20 millimeters in 2 centimeters.
2cm + 7.2cm + 6.9cm = 16.1
5 mm ( millimeter )