Best Answer

The circumference is equal to r2*pie or 38.5 inches

Another answer:

Circumference of a circle = 2*pi*radius or pi*diameter

Circumference = 7*pi = 21.99114858 or 22.0 inches to one decimal place.

Q: What is the circumference of a circle if it's diameter is 7 inches to 1 decimal place?

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Diameter: 87.5/pi = 27.852 inches to 3 decimal places

Circumference of the circle: pi*1.675 = 5.262 inches to three decimal places

Circumference of circle: pi*2.13 = 6.692 inches rounded to 3 decimal places

The circumference of a circle with a diameter of 45 inches is 141.37 inches.

circumference = 12*pi = 37.699 inches to 3 decimal places

Related questions

The diameter of a circle whose circumference is 6 inches = 1.91 inches (rounded to 2 decimal places).

Divide the circumference of a circle by pi to obtain the diameter. Diameter of a 36 inch diameter circle is 36/3.1416 inches , or 11.459 inches.

Circumference of circle: 31*pi = 97.389 inches rounded to 3 decimal places

Circumference of circle: 17.4*pi = 54.664 inches rounded to 3 decimal places

If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).

Diameter: 87.5/pi = 27.852 inches to 3 decimal places

The circumference of a circle with a radius of 12.5 is 78.54 to two decimal places.

Circumference of the circle: pi*1.675 = 5.262 inches to three decimal places

If a circle has a circumference of 6 inches the diameter is: 1.91 inches (circumference divided by Pi = diameter).

If a circle has a diameter of 24 inches its circumference is: 75.4 inches (diameter x Pi = circumference).

If the circumference of a circle is 10 inches, the diameter is: about 3.183 inches. (circumference divided by Pi = diameter)

If a circle has a diameter of 12.8 inches its circumference is: 40.21 inches (circumference = diameter x Pi).