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Earn +20 ptsQ: What an equation which expresses circumference if the radius is 4 centimeters?
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The wheel of a bicycle has a radius of 35 centimeters what is the circumference of the wheel?
The wheel's circumference is: 219.9 centimeters.
If a circle has a radius of 8.6 centimeters find its area and circumference in centimeters?
54 cm
What is the radius of a circle with a circumference of 69 centimeters?
Radius = circumference/2pi, in this case 69/2pi or 34.5/3.14, as near 11 cm as makes no difference.
What is the radius of a circle if the circumference is 72?
The equation used to calculate circumference is C = Pi * R^2, where R is the radius and C is the circumference. If one knows the circumference and seeks the radius, then they must divide by pi. Next, they must take the square root. When the circumference is 72, the radius must be approximately 4.8.
If the circumference of a compact disc is 28.26 centimeters What is the radius?
Divide the circumference by the value of Pi and divide the result by 2 - that will give you your answer.
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