what is one half of 40 cm2

Divide 40 by 2.

To find one half of 40 cm^2, you would divide it by 2.

So, 40 cm^2 / 2 = 20 cm^2.

To calculate this yourself, you can follow these steps:

1. Take the value, which is 40 cm^2.
2. Divide this value by 2.
3. The result will be 20 cm^2.

So, one half of 40 cm^2 is equal to 20 cm^2.