Convert the circumference into milimeters and divide by pi (~3.14159)
707 mm2
Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.
A circle with a radius of 9.6 millimeters has a circumference of 60.32 millimeters.
Volume = 1/3*pi*42*9 = 150.7964474 cubic millimeters
The volume of a sphere that has a radius of 10 millimeters is: 4,189 mm3
Radius = 1/2 of the diameter = 328/2 = 164 millimeters
.75 inches or 19 Millimeters is the diameter so the radius is .375 inches or 9.5 Millimeters.
20 millimeters
The radius would be 7 millimeters.
40 millimeters
The diameter is twice the radius so the answer is 12 millimeters.
The circumference of a circle with a radius of 175 millimeters is about 1,100 mm (C = r x 2 x Pi).