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The circumference = Pai x Diameter = 3.14 x 4 = 12.56 cm

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Q: What is circumference of a circle if the diameter is 4 cm?
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What is the diameter of a circle is 4 cm. Which equation can be used to find its circumference?

Circumference of circle: 4*pi = 12.566 cm to 3 decimal places


What is the circumference of a circle with a diameter of 19 cm?

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