C = 2πr
π = 3.142, r = 6cm
C = 2(3.142x6)cm
C = 41.04cm
The circumference of a circle = 2*pi*radius or diameter*pi
The formula for the circumference of a circle is C = 2πr, where C is circumference, π is pi (approx. 3.142), and r is the radius. So, for a circle with a radius of 6cm, C = 2(3.142)(6cm) = 18.852cm Rounding to the proper number of significant figures, this answer would be 20cm.
C = ~37.7 cm A = ~113.1 cm2
Circumference = 2 pi R = 12 pi = 37.7 cm(rounded)
It means the distance from the centre of the circle to its circumference (or boundary) is 6 centimetres or 0.06 metres.
Circumference of a circle is 2πr (two x Pi x the radius of the circle)Pi is usually taken as 3.14 for simple calculations - see here http://en.wikipedia.org/wiki/Pi for a longer determination of Pi.The radius is half the diameter.Thus, a circle with a diameter of 6cm has a circumference of 18.84cm
The circumference of a circle with a diameter of 6cm is about 18.85cm
The answer depends on what the "6cm" refers to.
The surface area of a cylinder with a radius of 6cm and a height of 9cm is 565.5 units2
Circumference = 2*pi*radius Radius = Circumference/(2*pi)
The radius is 1/2 of the circumference.
the circumference is two times the radius, or 2r. so if the radius was 3, the circumference would be 6. if the radius was 4, the circumference is 8.