Answer:
A=50.26548246units^2
Step-by-step explanation:
Radius is 4 because half the diameter (8) is the radius (4)
A=πr^2
A=π(4)^2
16 pi unit^2
The diameter is 8 so we can find the radius
r = d/2 =8/2 = 4
The area is given by
A = pi r^2
A = pi ( 4)^2
A = pi *16
