Question

convert 20centimetre into milimetre?​

Answer 1

Answer:

It will be 2000mm if converted into milimiters.

Answer 2

According to the information provided in the question.

It is stated in the preceding question that,

The presented information is an area of a circle  

We need to find the diameter of the circle.

As a result, the area of the circle is as follow,

1cm = 10 millimeters,

20 $=20\times 10=200mm$

Hence the value is 200millilmeters.