Radius of a circle is in m2 What is the area?

Answer 1

I think its diamete times 3.14

* * * * *

You think wrong at so many levels.

The word should be it's not its: a contraction rather than a possessive.

There is no such thing as a diamete: it is a diameter.

In any case the formula is Area = pi*radius2

Finally, radius cannot be in m2.