(20 X 20) X 3.14 = 1256 yards
Pi = 3.14
Circumference = 1256yd
75.36
Circumference = 2*pi*r = 12.566 cm (approx)
Something that goes around
A circle with a radius of 21 units has a circumference of 131.95 units.
circumference = 2*pi*6 = 37.699 inches to 3 decimal places
75.36
Circumference = 2*pi*r = 12.566 cm (approx)
C=2(pi)(r) therefore if r equals 3.20 then C=20.1061929
Something that goes around
A circle with a radius of 21 units has a circumference of 131.95 units.
circumference = 2*pi*6 = 37.699 inches to 3 decimal places
The circumference is Pi x r x r.... In THIS case it's .25 x .25 x Pi... which equals 0.19634375
Circumference = 2*pi*r Circumference = 2*3.14*25 => 157 inches
mabye
12.56
Circumference = r x pi and d = 2r. So, r = d/2 = 6/2 = 3ft and Circumference = 3ft x 3.14 = 9.42.
20 yards 1 foot = 61 feet