C = 24.806
A = 48.99
3.14:1
C= pi * D This is the formula for circumference.
Assuming that d stands for diameter, circumference = pi*d = 21.99 yards.
circumference = 11*3.14 = 34.54 cm
Circumference = pi*d = 37.7 yards, approx.
Diameter = 30. Radius = 15. Pi = 3.14. Circumference of the circle = d*pi = 30*3.14 = 94.2 units Area of the circle = pi*radius2 = 3.14*152 = 706.5 square units
Diameter, d = Circumference/piRadius, r = d/2 Area = pi*r2.
circumference of the circle = 4*pi cm
It is the formula for the circumference C of a circle where D is the diameter. C = (pi) D
Circumference = pi*d Area = pi*d2/4 So 4*area = pi*d2 4*area/Circumference = pi*d2/(pi*d) = d
The circumference of a circle is 2 * r * pi or d * pi; the diameter "d" = 2* the radius "r". "pi" is - VERY approximately! - 3.14. The area of a circle is pi * r^2. There is a calculator built into Windows, or you can use the calculator built into Google.
166.42 ft