Respuesta :

CalculationStation
area of small circle subtracted from large circle.

a = pi(r)^2

a = pi(6)^2 - pi(4)^2

a = 36pi - 16pi

a = 20pi

3rd selection.
EROlejar

Answer:

4π

Step-by-step explanation:

since the shaded in area is the tile and the radius is 2 and we only need the SHADED IN area 2^2 is 4 therefore 4pi is the correct answer