To find the diameter of a circle with a given circumference, you can use the formula: circumference = π * diameter. Given the circumference of 120 inches, you can plug this into the formula: 120 = π * diameter. Solving for diameter, you get diameter = 120 / π ≈ 38.2 inches.
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Circumference equals pi multiplied by diameter. Therefore 120 (circumference) divided by pi equals diameter. Pi is on your calculator.
Divide the circumference by the value of Pi and divide the result by 2 - that will give you your answer.
Assuming you know the location of the center of the circle, to divide a circle into thirds, do the following:mark a point on the circumference and, using a protractor, mark 120 degreesthen repeat for the final markA line from the mark on the circumference to the center will show an angle of 120 degrees.
radius = 120/(2*pi) = 19.09859317 cm area = pi*19.098593172 = 1145.91559 or about 1146 square cm
120 inch pounds = 10 foot pounds.
There 12 inches to a foot, so 120 tenths of an inch to a foot.