How many millimeter are in 20 centimeter?

Answer 1

20 centimeters = 200 millimeters

(value 9 millimeters)=(value in centimeters)x10

=20x10

=200

Note:

centimeter= 10-2of a meter

millimeter= 10-3 of a meter

Answer 2

1 centimetre = 10 millimetres so 20 cm = 20*10 = 200 mm. Simple!

Answer 3

20 centimeters is 200 millimeters.

Answer 4

200 mm