pi = 3.1416 ( a constant)
Circumference = 2 * pi * radius, so radius = circumference / (2 * pi)
So radius = 28 / ( 2 * 3.1416 ) = 4.456 units
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Circumference=2diameter(pi) C=2(28)(pi) C=175.92918860102842135390802946365
Circumference of circle: 28 times pi inches
176 m of fencing. Area of circle = 2*pi*radius
Find the circumference of a circle with radius 5 ft.Area of a circle. The area of a circle of radius r is given by the polynomial πr2. Use 3.14 as an approximation for π.
Just divide the circumference by (2 x pi).Just divide the circumference by (2 x pi).Just divide the circumference by (2 x pi).Just divide the circumference by (2 x pi).