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19 pi, ie 19 x 3.1415 = 59.69

Q: What is the circumferance of a circle if the diameter is 19?

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Diameter of circle: 13/pi = 4.138 ft to 3 decimal places

If the diameter is known, don't bother measuring the circumference.Simply multiply the diameter by 'pi'.

circumference = pi*diameter so diameter = circumference/pi = 19.1 metres.

Just over 25' ( 8 x pi)

The circumference of a circle divided by its own diameter will leave you with pi which is about 3.142 correct to three decimal places.

Related questions

Diameter of circle: 13/pi = 4.138 ft to 3 decimal places

What is 27 X 3.14? 27 pi

circumference = pi*diameter so diameter = circumference/pi = 19.1 metres.

If the diameter is known, don't bother measuring the circumference.Simply multiply the diameter by 'pi'.

Either pi times the diameter or pi times twice the radius (which is the diameter)

Just over 25' ( 8 x pi)

39 inches / pi = 12.4 inches

30/pi = just over 9.5 cm

7/8 inch circle has a diameter of 7/8 and a radius of 7/16=.4375 circumferance of a circle = 2*pi*radius = 2*3.14*.4375 =2.7475 or 7*pi/8

R(10) If you know the Circumferance, divide it by Pi (about 3.14). That will tell you the diameter. Half the diameter equals the radius.

The circumference of a circle divided by its own diameter will leave you with pi which is about 3.142 correct to three decimal places.

The circumference of a circle that has a diameter of 19 is about 59.69