I'm guessing you want the circumference and area of a circle that has a radius of 5 meters?
circumference = 2 PI r
circumference = 2 PI 5
circumference = 10 PI = 31.14159 meters
area = PI r^2
area = 3.14159 5^2
area = 3.14159 25
area =
78.53982 square meters
