Divide 39 by pi to find the diameter of circle 1 and then subtract four inches from your answer to give the diameter of circle 2.
Circle 1 = 39/pi = 12.41408556 inches
Circle 2 = 12.41408556 - 4 = 8.41408556 inches
Diameter of a circle = circumference/pi
The circumference of a circle with diameter of 4.4 is about 13.82
The circumference of a circle if the diameter is 25.8 is: 81.1
The circumference of a circle with a diameter of 14 is: 43.982
The diameter of a circle with the circumference of 3.25 is: 1.034
Diameter of a circle = circumference/pi
Diameter of a circle = circumference/pi
The circumference of any circle is (pi) x (the circle's diameter).
The circumference of a circle if the diameter is 12cm is 37.7cm
The circumference of a circle with a diameter of 6cm is about 18.85cm
The circumference of a circle 14' in diameter is about 43.98'
The circumference of a circle with a diameter of 51m is: 160m
If a circle has a diameter of 14, the circumference is: 43.98.
If a circle has a diameter of 2.25, the circumference is: 7.069
A circle with a circumference of 11.25 has a diameter of: 3.581
The circumference of a circle with a diameter of 25 is: 78.54
If the diameter of a circle is 9 the circumference is: 28.3