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Subjects>Math>Other Math

If the radius is 4cm what is he circumference?

Updated: 4/28/2022

Wiki User

∙ 15y ago

Best Answer

Circumference of a circle is C=2pir

C=2pi(4)

C=8pi

C=25.12 cm

Where pi is the ratio of the circumference to the diameter of any circle, approximately 3.14. There is usually a button for pi on scientific/graphing calculators.

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∙ 15y ago

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The radius is 1/2 of the circumference.

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Related questions

What is the circumference of a circle with a radius of 4cm?

The circumference of a circle with a radius of 4cm is: 25.13 cm (r x 2 x pi)

What is the circumference of a 4cm circle?

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Find the ratio of the circumference of 4Cm?

The ratio of the circumference of a circle with radius 4 cm to its area is 1:2.

How do you find the circumference an you have radius?

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What is the diameter of a circle whose radius is 4cm?

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What is the circumference of a circle if the diameter is 4cm?

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What is volume cylinder of radius 4cm and height 2cm?

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