Answer: Area = 16*pi m^2
Circumference = 8*pi
Step-by-step explanation: The circumference and area of a circle are given by:
Area = pi*r^2
Circumference = 2 pi*r
Radius = Diameter/2, or 4 meters (m)
Area = 16*pi m^2 (50.27 m^2)
Circumference = 8*pi (25.13 m)