Two plus two is equal to four
For this case we have that the area of a circle is given by:

Where:
r: It is the radius of the circle
By clearing the radio we have:

We take the positive value:

The diameter is twice the radius:

Answer:

Answer:
381
Step-by-step explanation:
2,286/6=381
Good luck!
It is 4 because the diameter is twice longer than the radius!