Answer:12.56m^2
Step-by-step explanation:
The formula for the area of a circle is Pi * r^2.
Since we know the diameter of the circle is 4, we can say that the radius is 2. The radius is always half the diameter.
Pi is approx 3.14, so we now have 3.14 * 2^2.
2^2 is 4.
3.14 * 4 is 12.56m^2
12.56m^2
