Area of Circle,
A = πr²
where
A = Area = ?
π = 3.14
r = radius = 20/2 = 10 m *
* If given length is diameter, simply divide diameter by 2 get radius (radius = ½d)
Solve for A,
A = πr²
A = 3.14(10)²
A = 3.14(100)
A = 314 m²
Therefore the answer is letter A. 314 m²
